Associative array/Creation: Difference between revisions
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Added subsections to Perl. Added Array Operation template
m (Creating Hash Structure moved to Creating an Associative Array: "Associative Array" is a more generic name.) |
m (Added subsections to Perl. Added Array Operation template) |
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{{task}}
{{Array operation}}
In this task, the goal is to create an [[associative array]].
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'''Interpeter:''' Perl
===Defining a Hash===
# using => key does not need to be quoted unless it contains special chars
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);
===Defining a HashRef===
my $hashref = {
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}
===Using a Hash===
print $hash{'key1'};
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@hash{'key1', 'three'} = ('val1', -238.83);
===Using a HashRef===
print $hash->{'key1'};
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for key, value in d.iteritems():
print key, value
Create a generic mapping function that applys a callback to elements in a list:
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