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Programming-Idioms

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  • Perl

Idiom #136 Remove all occurrences of a value from a list

Remove all occurrences of the value x from list items.
This will alter the original list or return a new list, depending on which is more idiomatic.

my @filtered = grep { $x ne $_ } @items;
(remove #{x} items)

Puts the x value in a set that serves as simple predicate

New implementation...