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54 | <H2><A NAME="SECTION0051010000000000000000"></A><A NAME="operator-map"></A> | |
55 | <BR> | |
56 | 3.10.1 Mapping Operators to Functions | |
57 | </H2> | |
58 | ||
59 | <P> | |
60 | This table shows how abstract operations correspond to operator | |
61 | symbols in the Python syntax and the functions in the | |
62 | <tt class="module"><a href="module-operator.html">operator</a></tt> module. | |
63 | ||
64 | <P> | |
65 | <div class="center"><table class="realtable"> | |
66 | <thead> | |
67 | <tr> | |
68 | <th class="left" >Operation</th> | |
69 | <th class="center">Syntax</th> | |
70 | <th class="left" >Function</th> | |
71 | </tr> | |
72 | </thead> | |
73 | <tbody> | |
74 | <tr><td class="left" valign="baseline">Addition</td> | |
75 | <td class="center"><code><var>a</var> + <var>b</var></code></td> | |
76 | <td class="left" ><code>add(<var>a</var>, <var>b</var>)</code></td></tr> | |
77 | <tr><td class="left" valign="baseline">Concatenation</td> | |
78 | <td class="center"><code><var>seq1</var> + <var>seq2</var></code></td> | |
79 | <td class="left" ><code>concat(<var>seq1</var>, <var>seq2</var>)</code></td></tr> | |
80 | <tr><td class="left" valign="baseline">Containment Test</td> | |
81 | <td class="center"><code><var>o</var> in <var>seq</var></code></td> | |
82 | <td class="left" ><code>contains(<var>seq</var>, <var>o</var>)</code></td></tr> | |
83 | <tr><td class="left" valign="baseline">Division</td> | |
84 | <td class="center"><code><var>a</var> / <var>b</var></code></td> | |
85 | <td class="left" ><code>div(<var>a</var>, <var>b</var>) #</code> without <code>__future__.division</code></td></tr> | |
86 | <tr><td class="left" valign="baseline">Division</td> | |
87 | <td class="center"><code><var>a</var> / <var>b</var></code></td> | |
88 | <td class="left" ><code>truediv(<var>a</var>, <var>b</var>) #</code> with <code>__future__.division</code></td></tr> | |
89 | <tr><td class="left" valign="baseline">Division</td> | |
90 | <td class="center"><code><var>a</var> // <var>b</var></code></td> | |
91 | <td class="left" ><code>floordiv(<var>a</var>, <var>b</var>)</code></td></tr> | |
92 | <tr><td class="left" valign="baseline">Bitwise And</td> | |
93 | <td class="center"><code><var>a</var> & <var>b</var></code></td> | |
94 | <td class="left" ><code>and_(<var>a</var>, <var>b</var>)</code></td></tr> | |
95 | <tr><td class="left" valign="baseline">Bitwise Exclusive Or</td> | |
96 | <td class="center"><code><var>a</var> ^ <var>b</var></code></td> | |
97 | <td class="left" ><code>xor(<var>a</var>, <var>b</var>)</code></td></tr> | |
98 | <tr><td class="left" valign="baseline">Bitwise Inversion</td> | |
99 | <td class="center"><code>~ <var>a</var></code></td> | |
100 | <td class="left" ><code>invert(<var>a</var>)</code></td></tr> | |
101 | <tr><td class="left" valign="baseline">Bitwise Or</td> | |
102 | <td class="center"><code><var>a</var> | <var>b</var></code></td> | |
103 | <td class="left" ><code>or_(<var>a</var>, <var>b</var>)</code></td></tr> | |
104 | <tr><td class="left" valign="baseline">Exponentiation</td> | |
105 | <td class="center"><code><var>a</var> ** <var>b</var></code></td> | |
106 | <td class="left" ><code>pow(<var>a</var>, <var>b</var>)</code></td></tr> | |
107 | <tr><td class="left" valign="baseline">Identity</td> | |
108 | <td class="center"><code><var>a</var> is <var>b</var></code></td> | |
109 | <td class="left" ><code>is_(<var>a</var>, <var>b</var>)</code></td></tr> | |
110 | <tr><td class="left" valign="baseline">Identity</td> | |
111 | <td class="center"><code><var>a</var> is not <var>b</var></code></td> | |
112 | <td class="left" ><code>is_not(<var>a</var>, <var>b</var>)</code></td></tr> | |
113 | <tr><td class="left" valign="baseline">Indexed Assignment</td> | |
114 | <td class="center"><code><var>o</var>[<var>k</var>] = <var>v</var></code></td> | |
115 | <td class="left" ><code>setitem(<var>o</var>, <var>k</var>, <var>v</var>)</code></td></tr> | |
116 | <tr><td class="left" valign="baseline">Indexed Deletion</td> | |
117 | <td class="center"><code>del <var>o</var>[<var>k</var>]</code></td> | |
118 | <td class="left" ><code>delitem(<var>o</var>, <var>k</var>)</code></td></tr> | |
119 | <tr><td class="left" valign="baseline">Indexing</td> | |
120 | <td class="center"><code><var>o</var>[<var>k</var>]</code></td> | |
121 | <td class="left" ><code>getitem(<var>o</var>, <var>k</var>)</code></td></tr> | |
122 | <tr><td class="left" valign="baseline">Left Shift</td> | |
123 | <td class="center"><code><var>a</var> <<code><</code> <var>b</var></code></td> | |
124 | <td class="left" ><code>lshift(<var>a</var>, <var>b</var>)</code></td></tr> | |
125 | <tr><td class="left" valign="baseline">Modulo</td> | |
126 | <td class="center"><code><var>a</var> % <var>b</var></code></td> | |
127 | <td class="left" ><code>mod(<var>a</var>, <var>b</var>)</code></td></tr> | |
128 | <tr><td class="left" valign="baseline">Multiplication</td> | |
129 | <td class="center"><code><var>a</var> * <var>b</var></code></td> | |
130 | <td class="left" ><code>mul(<var>a</var>, <var>b</var>)</code></td></tr> | |
131 | <tr><td class="left" valign="baseline">Negation (Arithmetic)</td> | |
132 | <td class="center"><code>- <var>a</var></code></td> | |
133 | <td class="left" ><code>neg(<var>a</var>)</code></td></tr> | |
134 | <tr><td class="left" valign="baseline">Negation (Logical)</td> | |
135 | <td class="center"><code>not <var>a</var></code></td> | |
136 | <td class="left" ><code>not_(<var>a</var>)</code></td></tr> | |
137 | <tr><td class="left" valign="baseline">Right Shift</td> | |
138 | <td class="center"><code><var>a</var> ><code>></code> <var>b</var></code></td> | |
139 | <td class="left" ><code>rshift(<var>a</var>, <var>b</var>)</code></td></tr> | |
140 | <tr><td class="left" valign="baseline">Sequence Repitition</td> | |
141 | <td class="center"><code><var>seq</var> * <var>i</var></code></td> | |
142 | <td class="left" ><code>repeat(<var>seq</var>, <var>i</var>)</code></td></tr> | |
143 | <tr><td class="left" valign="baseline">Slice Assignment</td> | |
144 | <td class="center"><code><var>seq</var>[<var>i</var>:<var>j</var>]</code> = <var>values</var></td> | |
145 | <td class="left" ><code>setslice(<var>seq</var>, <var>i</var>, <var>j</var>, <var>values</var>)</code></td></tr> | |
146 | <tr><td class="left" valign="baseline">Slice Deletion</td> | |
147 | <td class="center"><code>del <var>seq</var>[<var>i</var>:<var>j</var>]</code></td> | |
148 | <td class="left" ><code>delslice(<var>seq</var>, <var>i</var>, <var>j</var>)</code></td></tr> | |
149 | <tr><td class="left" valign="baseline">Slicing</td> | |
150 | <td class="center"><code><var>seq</var>[<var>i</var>:<var>j</var>]</code></td> | |
151 | <td class="left" ><code>getslice(<var>seq</var>, <var>i</var>, <var>j</var>)</code></td></tr> | |
152 | <tr><td class="left" valign="baseline">String Formatting</td> | |
153 | <td class="center"><code><var>s</var> % <var>o</var></code></td> | |
154 | <td class="left" ><code>mod(<var>s</var>, <var>o</var>)</code></td></tr> | |
155 | <tr><td class="left" valign="baseline">Subtraction</td> | |
156 | <td class="center"><code><var>a</var> - <var>b</var></code></td> | |
157 | <td class="left" ><code>sub(<var>a</var>, <var>b</var>)</code></td></tr> | |
158 | <tr><td class="left" valign="baseline">Truth Test</td> | |
159 | <td class="center"><code><var>o</var></code></td> | |
160 | <td class="left" ><code>truth(<var>o</var>)</code></td></tr> | |
161 | <tr><td class="left" valign="baseline">Ordering</td> | |
162 | <td class="center"><code><var>a</var> < <var>b</var></code></td> | |
163 | <td class="left" ><code>lt(<var>a</var>, <var>b</var>)</code></td></tr> | |
164 | <tr><td class="left" valign="baseline">Ordering</td> | |
165 | <td class="center"><code><var>a</var> <= <var>b</var></code></td> | |
166 | <td class="left" ><code>le(<var>a</var>, <var>b</var>)</code></td></tr> | |
167 | <tr><td class="left" valign="baseline">Equality</td> | |
168 | <td class="center"><code><var>a</var> == <var>b</var></code></td> | |
169 | <td class="left" ><code>eq(<var>a</var>, <var>b</var>)</code></td></tr> | |
170 | <tr><td class="left" valign="baseline">Difference</td> | |
171 | <td class="center"><code><var>a</var> != <var>b</var></code></td> | |
172 | <td class="left" ><code>ne(<var>a</var>, <var>b</var>)</code></td></tr> | |
173 | <tr><td class="left" valign="baseline">Ordering</td> | |
174 | <td class="center"><code><var>a</var> >= <var>b</var></code></td> | |
175 | <td class="left" ><code>ge(<var>a</var>, <var>b</var>)</code></td></tr> | |
176 | <tr><td class="left" valign="baseline">Ordering</td> | |
177 | <td class="center"><code><var>a</var> > <var>b</var></code></td> | |
178 | <td class="left" ><code>gt(<var>a</var>, <var>b</var>)</code></td></tr></tbody> | |
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