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author | Georg Brandl <georg@python.org> | 2007-08-17 16:54:59 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2007-08-17 16:54:59 (GMT) |
commit | 6c82b6c5caef9ec064f507df1335adbbdadc6c49 (patch) | |
tree | 7be10c02c7ac155f7de6fd79cbccfe4c6df52c5d /Doc/glossary.rst | |
parent | 20b40d3bce51b099763b196e60d574ccd4530e23 (diff) | |
download | cpython-6c82b6c5caef9ec064f507df1335adbbdadc6c49.zip cpython-6c82b6c5caef9ec064f507df1335adbbdadc6c49.tar.gz cpython-6c82b6c5caef9ec064f507df1335adbbdadc6c49.tar.bz2 |
Use glossary x-refs, document new ``!`` feature.
Diffstat (limited to 'Doc/glossary.rst')
-rw-r--r-- | Doc/glossary.rst | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/Doc/glossary.rst b/Doc/glossary.rst index 9ec5811..2be05cc 100644 --- a/Doc/glossary.rst +++ b/Doc/glossary.rst @@ -30,7 +30,7 @@ Glossary classic class Any class which does not inherit from :class:`object`. See - :dfn:`new-style class`. + :term:`new-style class`. coercion The implicit conversion of an instance of one type to another during an @@ -82,14 +82,14 @@ Glossary well-designed code improves its flexibility by allowing polymorphic substitution. Duck-typing avoids tests using :func:`type` or :func:`isinstance`. Instead, it typically employs :func:`hasattr` tests or - :dfn:`EAFP` programming. + :term:`EAFP` programming. EAFP Easier to ask for forgiveness than permission. This common Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is characterized by the presence of many :keyword:`try` and :keyword:`except` - statements. The technique contrasts with the :dfn:`LBYL` style that is + statements. The technique contrasts with the :term:`LBYL` style that is common in many other languages such as C. extension module @@ -140,7 +140,7 @@ Glossary 285 GIL - See :dfn:`global interpreter lock`. + See :term:`global interpreter lock`. global interpreter lock The lock used by Python threads to assure that only one thread can be run @@ -173,10 +173,10 @@ Glossary When dividing two integers the outcome will always be another integer (having the floor function applied to it). However, if one of the operands is another numeric type (such as a :class:`float`), the result will be - coerced (see :dfn:`coercion`) to a common type. For example, an integer + coerced (see :term:`coercion`) to a common type. For example, an integer divided by a float will result in a float value, possibly with a decimal fraction. Integer division can be forced by using the ``//`` operator - instead of the ``/`` operator. See also :dfn:`__future__`. + instead of the ``/`` operator. See also :term:`__future__`. interactive Python has an interactive interpreter which means that you can try out @@ -190,7 +190,7 @@ Glossary means that the source files can be run directly without first creating an executable which is then run. Interpreted languages typically have a shorter development/debug cycle than compiled ones, though their programs - generally also run more slowly. See also :dfn:`interactive`. + generally also run more slowly. See also :term:`interactive`. iterable A container object capable of returning its members one at a @@ -206,7 +206,7 @@ Glossary to call :func:`iter` or deal with iterator objects yourself. The ``for`` statement does that automatically for you, creating a temporary unnamed variable to hold the iterator for the duration of the loop. See also - :dfn:`iterator`, :dfn:`sequence`, and :dfn:`generator`. + :term:`iterator`, :term:`sequence`, and :term:`generator`. iterator An object representing a stream of data. Repeated calls to the iterator's @@ -226,7 +226,7 @@ Glossary LBYL Look before you leap. This coding style explicitly tests for pre-conditions before making calls or lookups. This style contrasts with - the :dfn:`EAFP` approach and is characterized by the presence of many + the :term:`EAFP` approach and is characterized by the presence of many :keyword:`if` statements. list comprehension @@ -254,7 +254,7 @@ Glossary mutable Mutable objects can change their value but keep their :func:`id`. See - also :dfn:`immutable`. + also :term:`immutable`. namespace The place where a variable is stored. Namespaces are implemented as @@ -294,20 +294,20 @@ Glossary implementation level to keep track of allocated memory. __slots__ - A declaration inside a :dfn:`new-style class` that saves memory by + A declaration inside a :term:`new-style class` that saves memory by pre-declaring space for instance attributes and eliminating instance dictionaries. Though popular, the technique is somewhat tricky to get right and is best reserved for rare cases where there are large numbers of instances in a memory-critical application. sequence - An :dfn:`iterable` which supports efficient element access using integer + An :term:`iterable` which supports efficient element access using integer indices via the :meth:`__getitem__` and :meth:`__len__` special methods. Some built-in sequence types are :class:`list`, :class:`str`, :class:`tuple`, and :class:`unicode`. Note that :class:`dict` also supports :meth:`__getitem__` and :meth:`__len__`, but is considered a mapping rather than a sequence because the lookups use arbitrary - :dfn:`immutable` keys rather than integers. + :term:`immutable` keys rather than integers. type The type of a Python object determines what kind of object it is; every |