[Issue 5137] Compiler tips

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=5137

--- Comment #2 from bearophile_hugs at eml.cc ---
(In reply to Infiltrator from comment #1)
> I don't know whether it's necessary to add another class of compiler
> messages.  It might be enough to just make these warnings.  It would be
> helpful especially useful for @nogc.

Warnings are meant to warn you against something. Compiler tips are more like
suggestions (but it's not an essential difference, I agree. What's important is
to produce some message). The compilers of other good languages have such kind
of messages, so they can be good for D too.

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