http://d.puremagic.com/issues/show_bug.cgi?id=5137

           Summary: Compiler tips
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: bearophile_hugs@eml.cc


--- Comment #0 from bearophile_hugs@eml.cc 2010-10-30 15:19:48 PDT ---
A third class of compiler messages, beside the warnings and the errors are "tips". They aren't sure errors or possible errors, they are situations where for example the compiler suggests possible performance improvements or where the programmer may add more constraints to the functions.

See bug 5056 , bug 5070

Another example is from a feature added to GCC 4.6: http://gcc.gnu.org/gcc-4.6/changes.html http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#Warning-Options

-Wsuggest-attribute=pure
-Wsuggest-attribute=const
-Wsuggest-attribute=noreturn

This shows tips where that attribute may be added to the code.

Another example: the compiler may suggest cases where using an Appender may be used instead of many normal array appends.

Another possible compiler tip is to optionally list all points where a very large fixed-sized array is passed by value (see bug 4580 ).

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