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Programming-Idioms

  • Perl

Idiom #331 Clear map

Remove all entries from the map m.

Explain if other references to the same map now see an empty map as well.

%m = ();

Assigning an empty list to a hash variable will clear it of any entries it already may have.
m.Clear();

All references see it's empty.
New implementation...
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%m = ();
m.Clear();
m.clear()
clear(m)
m.clear()
m.clear();
m.clear;
m.clear()
m.clear