diff options
Diffstat (limited to 'docs/source/lang/pointer.rst')
| -rw-r--r-- | docs/source/lang/pointer.rst | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/docs/source/lang/pointer.rst b/docs/source/lang/pointer.rst index bc48d7d..0a42270 100644 --- a/docs/source/lang/pointer.rst +++ b/docs/source/lang/pointer.rst @@ -1,15 +1,19 @@ .. _lang-pointer: -The pointer operators: & (reference) and \* (dereference) -========================================================= +Pointer Operators (``&``, ``*``) +================================ +The pointer operators ``&`` (reference) and ``*`` (dereference) are +different from the bitwise math operator :ref:`& +<lang-bitwisemath-and>` and the arithmetic operator :ref:`* +<lang-arithmetic>`. Pointers are one of the more complicated subjects for beginners in -learning C, and it is possible to write the vast majority of -Arduino sketches without ever encountering pointers. However for -manipulating certain data structures, the use of pointers can -simplify the code, and and knowledge of manipulating pointers is -handy to have in one's toolkit. +learning C, and it is possible to write many useful Arduino sketches +without ever encountering pointers. However, for manipulating certain +data structures, the use of pointers can simplify the code, improve +its efficiency, and generally provide many benefits that would be +difficult to achieve without the use of pointers. Introducing pointers is somewhat outside the scope of this documentation. However, a good `pointer tutorial @@ -20,9 +24,8 @@ the section on `pointers in C <http://en.wikipedia.org/wiki/Pointer_%28computing%29#C_pointers>`_. See Also -======== +-------- - http://xkcd.com/138/ - .. include:: cc-attribution.txt |