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[questions] answer Q2 by pmichaud++

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commit 9abc8f20f1fb368054b52b11793618451ba9d629 1 parent 58b9c43
@moritz moritz authored
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@@ -29,5 +29,13 @@ Q2: (pmichaud) What's the expectation of how "useless use of '+'
or is it something that &infix:<+> would detect and carp
about at runtime?
+A2: (moritz) They are generated at compile-time based on a trait
+ on the proto sub.
+ Reasons are:
+ * The user wants a warning per occurence in the source code,
+ not per call
+ * performance considerations
+ See also: http://irclog.perlgeek.de/perl6/2012-02-17#i_5161470
+
Pm
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