Re^3: A short whishlist of Perl5 improvements leaping to Perl7 (used only once)

"looks like used-only-once gets deactivated with explicit declaration"

Lexical variables and variables beginning with an underscore never trigger that warning.

Comment on Re^3: A short whishlist of Perl5 improvements leaping to Perl7 (used only once)

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Re^4: A short whishlist of Perl5 improvements leaping to Perl7 (used only once) by LanX (Cardinal) on Nov 27, 2020 at 23:32 UTC
or declared with `our` or a special identifier or the symbol/type-glob was already used (i.e. @x and $x) perldiag#used only once: possible typo `#use strict; use warnings; $x=1; @x=(2); my $the_variable_I_want_to_check = 3; our $the_varaible_I_want_to_check = 4; $^A=5;` [download] no warnings! Cheers Rolf _{(addicted to the Perl Programming Language :) Wikisyntax for the Monastery}	[reply] [d/l]