Programming-Idioms

Edit summary for version 13 by Roboticus:
New Perl implementation by user [Roboticus]

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2016-04-06, 20:25:51

2016-04-21, 10:51:30

Idiom #118 List to set

Create set y from list x.
x may contain duplicates. y is unordered and has no repeated values.

Create set y from list x.
x may contain duplicates. y is unordered and has no repeated values.

my %y = map {$_=>0} @x;

Convert a list to a hash, the value is unimportant, so we used 0.

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