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Diffstat (limited to 'Doc/reference/expressions.rst')
| -rw-r--r-- | Doc/reference/expressions.rst | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst index fe2b090..b1bb162 100644 --- a/Doc/reference/expressions.rst +++ b/Doc/reference/expressions.rst @@ -1171,7 +1171,7 @@ The power operator .. index:: pair: power; operation - operator: ** + pair: operator; ** The power operator binds more tightly than unary operators on its left; it binds less tightly than unary operators on its right. The syntax is: @@ -1232,7 +1232,7 @@ operation can be overridden with the :meth:`__pos__` special method. .. index:: single: inversion - operator: ~ (tilde) + pair: operator; ~ (tilde) The unary ``~`` (invert) operator yields the bitwise inversion of its integer argument. The bitwise inversion of ``x`` is defined as ``-(x+1)``. It only @@ -1267,7 +1267,7 @@ operators and one for additive operators: .. index:: single: multiplication - operator: * (asterisk) + pair: operator; * (asterisk) The ``*`` (multiplication) operator yields the product of its arguments. The arguments must either both be numbers, or one argument must be an integer and @@ -1280,7 +1280,7 @@ This operation can be customized using the special :meth:`__mul__` and .. index:: single: matrix multiplication - operator: @ (at) + pair: operator; @ (at) The ``@`` (at) operator is intended to be used for matrix multiplication. No builtin Python types implement this operator. @@ -1290,8 +1290,8 @@ builtin Python types implement this operator. .. index:: exception: ZeroDivisionError single: division - operator: / (slash) - operator: // + pair: operator; / (slash) + pair: operator; // The ``/`` (division) and ``//`` (floor division) operators yield the quotient of their arguments. The numeric arguments are first converted to a common type. @@ -1305,7 +1305,7 @@ This operation can be customized using the special :meth:`__truediv__` and .. index:: single: modulo - operator: % (percent) + pair: operator; % (percent) The ``%`` (modulo) operator yields the remainder from the division of the first argument by the second. The numeric arguments are first converted to a common @@ -1363,8 +1363,8 @@ Shifting operations .. index:: pair: shifting; operation - operator: << - operator: >> + pair: operator; << + pair: operator; >> The shifting operations have lower priority than the arithmetic operations: @@ -1399,7 +1399,7 @@ Each of the three bitwise operations has a different priority level: .. index:: pair: bitwise; and - operator: & (ampersand) + pair: operator; & (ampersand) The ``&`` operator yields the bitwise AND of its arguments, which must be integers or one of them must be a custom object overriding :meth:`__and__` or @@ -1408,7 +1408,7 @@ integers or one of them must be a custom object overriding :meth:`__and__` or .. index:: pair: bitwise; xor pair: exclusive; or - operator: ^ (caret) + pair: operator; ^ (caret) The ``^`` operator yields the bitwise XOR (exclusive OR) of its arguments, which must be integers or one of them must be a custom object overriding :meth:`__xor__` or @@ -1417,7 +1417,7 @@ must be integers or one of them must be a custom object overriding :meth:`__xor_ .. index:: pair: bitwise; or pair: inclusive; or - operator: | (vertical bar) + pair: operator; | (vertical bar) The ``|`` operator yields the bitwise (inclusive) OR of its arguments, which must be integers or one of them must be a custom object overriding :meth:`__or__` or @@ -1432,12 +1432,12 @@ Comparisons .. index:: single: comparison pair: C; language - operator: < (less) - operator: > (greater) - operator: <= - operator: >= - operator: == - operator: != + pair: operator; < (less) + pair: operator; > (greater) + pair: operator; <= + pair: operator; >= + pair: operator; == + pair: operator; != Unlike C, all comparison operations in Python have the same priority, which is lower than that of any arithmetic, shifting or bitwise operation. Also unlike @@ -1669,8 +1669,8 @@ raises the :exc:`IndexError` exception. (If any other exception is raised, it i if :keyword:`in` raised that exception). .. index:: - operator: in - operator: not in + pair: operator; in + pair: operator; not in pair: membership; test object: sequence @@ -1678,8 +1678,8 @@ The operator :keyword:`not in` is defined to have the inverse truth value of :keyword:`in`. .. index:: - operator: is - operator: is not + pair: operator; is + pair: operator; is not pair: identity; test @@ -1719,17 +1719,17 @@ control flow statements, the following values are interpreted as false: other values are interpreted as true. User-defined objects can customize their truth value by providing a :meth:`__bool__` method. -.. index:: operator: not +.. index:: pair: operator; not The operator :keyword:`not` yields ``True`` if its argument is false, ``False`` otherwise. -.. index:: operator: and +.. index:: pair: operator; and The expression ``x and y`` first evaluates *x*; if *x* is false, its value is returned; otherwise, *y* is evaluated and the resulting value is returned. -.. index:: operator: or +.. index:: pair: operator; or The expression ``x or y`` first evaluates *x*; if *x* is true, its value is returned; otherwise, *y* is evaluated and the resulting value is returned. |