As to how Perl can be improved. I agree with tye, map and grep should generate a warning in void context. I'd leave out the foreach recommendation except under diagnostics.

In the same vein, Perl should have a wantvoid or wantbool operator so that the general case can be handled.

In reply to Void context by rir
in thread Operator precedence (or, I'm an idiot) by Mur

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