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Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / tools / src / nas,5.n2.os.2 / lib / python / html / python / ref / summary.html
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54<H1><A NAME="SECTION0071400000000000000000"></A><A NAME="summary"></A>
55<BR>
565.14 Summary
57</H1>
58
59<P>
60The following table summarizes the operator
61precedences<a id='l2h-450' xml:id='l2h-450'></a> in Python, from lowest
62precedence (least binding) to highest precedence (most binding).
63Operators in the same box have the same precedence. Unless the syntax
64is explicitly given, operators are binary. Operators in the same box
65group left to right (except for comparisons, including tests, which all
66have the same precedence and chain from left to right -- see section
67<A href="comparisons.html#comparisons">5.9</A> - and exponentiation, which groups from right to left).
68
69<P>
70<div class="center"><table class="realtable">
71 <thead>
72 <tr>
73 <th class="center">Operator</th>
74 <th class="left" >Description</th>
75 </tr>
76 </thead>
77 <tbody>
78 <tr><td class="center" valign="baseline"><tt class="keyword">lambda</tt></td>
79 <td class="left" >Lambda expression</td></tr>
80
81 <tr><td class="center" valign="baseline"><tt class="keyword">or</tt></td>
82 <td class="left" >Boolean OR</td></tr>
83
84 <tr><td class="center" valign="baseline"><tt class="keyword">and</tt></td>
85 <td class="left" >Boolean AND</td></tr>
86
87 <tr><td class="center" valign="baseline"><tt class="keyword">not</tt> <var>x</var></td>
88 <td class="left" >Boolean NOT</td></tr>
89
90 <tr><td class="center" valign="baseline"><tt class="keyword">in</tt>, <tt class="keyword">not</tt> <tt class="keyword">in</tt></td>
91 <td class="left" >Membership tests</td></tr>
92 <tr><td class="center" valign="baseline"><tt class="keyword">is</tt>, <tt class="keyword">is not</tt></td>
93 <td class="left" >Identity tests</td></tr>
94 <tr><td class="center" valign="baseline"><code>&lt;</code>, <code>&lt;=</code>, <code>&gt;</code>, <code>&gt;=</code>,
95 <code>&lt;&gt;</code>, <code>!=</code>, <code>==</code></td>
96 <td class="left" >Comparisons</td></tr>
97
98 <tr><td class="center" valign="baseline"><code>|</code></td>
99 <td class="left" >Bitwise OR</td></tr>
100
101 <tr><td class="center" valign="baseline"><code>^</code></td>
102 <td class="left" >Bitwise XOR</td></tr>
103
104 <tr><td class="center" valign="baseline"><code>&amp;</code></td>
105 <td class="left" >Bitwise AND</td></tr>
106
107 <tr><td class="center" valign="baseline"><code>&lt;</code><code>&lt;</code>, <code>&gt;</code><code>&gt;</code></td>
108 <td class="left" >Shifts</td></tr>
109
110 <tr><td class="center" valign="baseline"><code>+</code>, <code>-</code></td>
111 <td class="left" >Addition and subtraction</td></tr>
112
113 <tr><td class="center" valign="baseline"><code>*</code>, <code>/</code>, <code>%</code></td>
114 <td class="left" >Multiplication, division, remainder</td></tr>
115
116 <tr><td class="center" valign="baseline"><code>+<var>x</var></code>, <code>-<var>x</var></code></td>
117 <td class="left" >Positive, negative</td></tr>
118 <tr><td class="center" valign="baseline"><code>~<var>x</var></code></td>
119 <td class="left" >Bitwise not</td></tr>
120
121 <tr><td class="center" valign="baseline"><code>**</code></td>
122 <td class="left" >Exponentiation</td></tr>
123
124 <tr><td class="center" valign="baseline"><code><var>x</var>.<var>attribute</var></code></td>
125 <td class="left" >Attribute reference</td></tr>
126 <tr><td class="center" valign="baseline"><code><var>x</var>[<var>index</var>]</code></td>
127 <td class="left" >Subscription</td></tr>
128 <tr><td class="center" valign="baseline"><code><var>x</var>[<var>index</var>:<var>index</var>]</code></td>
129 <td class="left" >Slicing</td></tr>
130 <tr><td class="center" valign="baseline"><code><var>f</var>(<var>arguments</var>...)</code></td>
131 <td class="left" >Function call</td></tr>
132
133 <tr><td class="center" valign="baseline"><code>(<var>expressions</var>...)</code></td>
134 <td class="left" >Binding or tuple display</td></tr>
135 <tr><td class="center" valign="baseline"><code>[<var>expressions</var>...]</code></td>
136 <td class="left" >List display</td></tr>
137 <tr><td class="center" valign="baseline"><code>{<var>key</var>:<var>datum</var>...}</code></td>
138 <td class="left" >Dictionary display</td></tr>
139 <tr><td class="center" valign="baseline"><code>`<var>expressions</var>...`</code></td>
140 <td class="left" >String conversion</td></tr></tbody>
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Full OpenSPARC design & verification tarball including full HDL.