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Diffstat (limited to 'docs/src/userguide/language_basics.rst')
| -rw-r--r-- | docs/src/userguide/language_basics.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/src/userguide/language_basics.rst b/docs/src/userguide/language_basics.rst index c422bddd6..402cd14ba 100644 --- a/docs/src/userguide/language_basics.rst +++ b/docs/src/userguide/language_basics.rst @@ -139,10 +139,11 @@ For example:: cdef list foo = [] -This requires an *exact* match of the class, it does not allow -subclasses. This allows Cython to optimize code by accessing -internals of the builtin class. -For this kind of typing, Cython uses internally a C variable of type ``PyObject*``. +This requires an *exact* match of the class, it does not allow subclasses. +This allows Cython to optimize code by accessing internals of the builtin class, +which is the main reason for declaring builtin types in the first place. + +For declared builtin types, Cython uses internally a C variable of type ``PyObject*``. The Python types int, long, and float are not available for static typing and instead interpreted as C ``int``, ``long``, and ``float`` respectively, as statically typing variables with these Python |