[Issue 8743] Add support for memoizing class methods

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8743



--- Comment #6 from bearophile_hugs at eml.cc 2012-10-02 02:54:21 PDT ---
(In reply to comment #5)

>     enum bool isClassStruct = (is(fun == class) || is(fun == struct));

No need for extra parentheses:

enum bool isClassStruct = is(fun == class) || is(fun == struct);



>     void rehash() { memo.rehash(); }

I think () aren't needed, even with -property.


>     int slowFunc(int a, int b)

If the arguments are constant it doesn't work:
int slowFunc(in int a, in int b)


>     mixin memoize!slowFunc fastFunc;

This mixin template is useful. A disadvantage is that it doesn't follow the API
(usage) of the Phobos memoize. So maybe it needs a different name, like
memoizeMethod, or something.

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