Mercurial > cpython-lru_cache-weakref

annotate Doc/lib/liboperator.tex @ 6719:faebc1940432 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Understand -Xlinker option.
author Guido van Rossum <guido@python.org>
date Tue, 02 Dec 1997 20:38:11 +0000
parents 3468ea8645ca
children 1db41ca45c7f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4610
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
1 % Contributed by Skip Montanaro, from the module's doc strings.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
2
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
3 \section{Built-in Module \sectcode{operator}} % If implemented in C
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
4 \bimodindex{spam}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
5
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
6 The \code{operator} module exports a set of functions implemented in C
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
7 corresponding to the intrinsic operators of Python. For example,
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
8 {}\code{operator.add(x, y)} is equivalent to the expression x+y. The
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
9 function names are those used for special class methods; variants without
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
10 leading and trailing '\_\_' are also provided for convenience.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
11
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
12 The \code{operator} module defines the following functions:
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
13
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
14 \renewcommand{\indexsubitem}{(in module operator)}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
15
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
16 \begin{funcdesc}{add}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
17 Return a + b, for a and b numbers.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
18 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
19
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
20 \begin{funcdesc}{\_\_add\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
21 Return a + b, for a and b numbers.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
22 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
23
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
24 \begin{funcdesc}{sub}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
25 Return a - b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
26 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
27
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
28 \begin{funcdesc}{\_\_sub\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
29 Return a - b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
30 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
31
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
32 \begin{funcdesc}{mul}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
33 Return a * b, for a and b numbers.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
34 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
35
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
36 \begin{funcdesc}{\_\_mul\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
37 Return a * b, for a and b numbers.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
38 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
39
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
40 \begin{funcdesc}{div}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
41 Return a / b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
42 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
43
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
44 \begin{funcdesc}{\_\_div\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
45 Return a / b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
46 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
47
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
48 \begin{funcdesc}{mod}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
49 Return a \% b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
50 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
51
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
52 \begin{funcdesc}{\_\_mod\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
53 Return a \% b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
54 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
55
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
56 \begin{funcdesc}{neg}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
57 Return o negated.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
58 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
59
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
60 \begin{funcdesc}{\_\_neg\_\_}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
61 Return o negated.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
62 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
63
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
64 \begin{funcdesc}{pos}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
65 Return o positive.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
66 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
67
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
68 \begin{funcdesc}{\_\_pos\_\_}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
69 Return o positive.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
70 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
71
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
72 \begin{funcdesc}{abs}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
73 Return the absolute value of o.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
74 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
75
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
76 \begin{funcdesc}{\_\_abs\_\_}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
77 Return the absolute value of o.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
78 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
79
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
80 \begin{funcdesc}{inv}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
81 Return the inverse of o.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
82 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
83
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
84 \begin{funcdesc}{\_\_inv\_\_}{o}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
85 Return the inverse of o.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
86 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
87
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
88 \begin{funcdesc}{lshift}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
89 Return a shifted left by b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
90 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
91
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
92 \begin{funcdesc}{\_\_lshift\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
93 Return a shifted left by b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
94 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
95
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
96 \begin{funcdesc}{rshift}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
97 Return a shifted right by b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
98 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
99
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
100 \begin{funcdesc}{\_\_rshift\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
101 Return a shifted right by b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
102 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
103
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
104 \begin{funcdesc}{and\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
105 Return the bitwise and of a and b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
106 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
107
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
108 \begin{funcdesc}{\_\_and\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
109 Return the bitwise and of a and b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
110 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
111
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
112 \begin{funcdesc}{or\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
113 Return the bitwise or of a and b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
114 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
115
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
116 \begin{funcdesc}{\_\_or\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
117 Return the bitwise or of a and b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
118 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
119
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
120 \begin{funcdesc}{concat}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
121 Return a + b for a and b sequences.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
122 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
123
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
124 \begin{funcdesc}{\_\_concat\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
125 Return a + b for a and b sequences.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
126 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
127
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
128 \begin{funcdesc}{repeat}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
129 Return a * b where a is a sequence and b is an integer.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
130 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
131
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
132 \begin{funcdesc}{\_\_repeat\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
133 Return a * b where a is a sequence and b is an integer.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
134 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
135
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
136 \begin{funcdesc}{getitem}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
137 Return the value of a at index b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
138 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
139
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
140 \begin{funcdesc}{\_\_getitem\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
141 Return the value of a at index b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
142 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
143
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
144 \begin{funcdesc}{setitem}{a\, b\, c}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
145 Set the value of a at index b to c.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
146 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
147
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
148 \begin{funcdesc}{\_\_setitem\_\_}{a\, b\, c}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
149 Set the value of a at index b to c.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
150 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
151
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
152 \begin{funcdesc}{delitem}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 Set the value of a at index b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
154 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
155
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
156 \begin{funcdesc}{\_\_delitem\_\_}{a\, b}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 Set the value of a at index b.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
158 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
159
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
160 \begin{funcdesc}{getslice}{a\, b\, c}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 Return the slice of a from index b to index c-1.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
163
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
164 \begin{funcdesc}{\_\_getslice\_\_}{a\, b\, c}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
165 Return the slice of a from index b to index c-1.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
166 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
167
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
168 \begin{funcdesc}{setslice}{a\, b\, c\, v}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
169 Set the slice of a from index b to index c-1 to the sequence v.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
170 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
171
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
172 \begin{funcdesc}{\_\_setslice\_\_}{a\, b\, c\, v}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
173 Set the slice of a from index b to index c-1 to the sequence v.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
174 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
175
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
176 \begin{funcdesc}{delslice}{a\, b\, c}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
177 Delete the slice of a from index b to index c-1.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
178 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
179
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
180 \begin{funcdesc}{\_\_delslice\_\_}{a\, b\, c}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
181 Delete the slice of a from index b to index c-1.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
182 \end{funcdesc}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
183
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
184 Example: Build a dictionary that maps the ordinals from 0 to 256 to their
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
185 character equivalents.
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
186
5818
3468ea8645ca AMK's megapatch:
Guido van Rossum <guido@python.org>
parents: 4610
diff changeset
187 \bcode\begin{verbatim}
4610
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
188 >>> import operator
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 >>> d = {}
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
190 >>> keys = range(256)
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
191 >>> vals = map(chr, keys)
bb4094ff7bdf Added section for operator module (compiled Skip Montanaro).
Guido van Rossum <guido@python.org>
parents:
diff changeset
192 >>> map(operator.setitem, [d]*len(keys), keys, vals)
5818
3468ea8645ca AMK's megapatch:
Guido van Rossum <guido@python.org>
parents: 4610
diff changeset
193 \end{verbatim}\ecode