NAME
PerlX::ScopeFunction -- new keywords for creating scopes.
SYNOPSIS
Use with keyword to constraint the use result of the given expression
to a smaller lexical scope.
with ( grep { $_ % 2 == 0 } @input ) {
my @even_nums = @_;
say "There are " . scalar(@even_nums) . " even numbers";
}
DESCRIPTION
Scope functions are helper functions that helps to constraint the use
of an given expression, to make the boundray look clearer, usually by
making a inner lexical scope.
with (EXPR) BLOCK
The with keyword can be used to bring the result of an given EXPR to a
smaller scope (code block):
with ( EXPR ) BLOCK
The EXPR are evaluated in list context, and the result (a list) is
available inside BLOCK as @_. The conventional topic variable $_ is
also assigned the last value of the list ($_[-1]).
AUTHOR
Kang-min Liu <gugod@gugod.org>
LICENCE
The MIT License
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