has no side-effects

$ perl -E'@a=qw( a b c ); say 0+@a; shift(@a); say 0+@a;'
3
2

[download]

returns an rvalue

$ perl -E'$_=123; say; sub { sub { ++$_[0] }->(shift); }->($_); say;'
123
124

[download]

In reply to Re^2: Order of execution of functions in list by ikegami
in thread Order of execution of functions in list by vsespb

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