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package Dallycot::AST::ListCons; |
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our $AUTHORITY = 'cpan:JSMITH'; |
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# ABSTRACT: Compose lambdas into a new lambda |
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12271
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use strict; |
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use warnings; |
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453
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use utf8; |
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use parent 'Dallycot::AST'; |
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97
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use Promises qw(deferred); |
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my $FunctionURI = Dallycot::Value::URI->new("http://www.dallycot.net/ns/core/1.0#list-cons"); |
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sub execute { |
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my ( $self, $engine ) = @_; |
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my(@streams) = @$self; |
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my $value = pop @streams; |
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while(@streams) { |
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$value = Dallycot::AST::Apply->new( |
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$FunctionURI, |
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[ (pop @streams), $value ], |
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{} |
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); |
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} |
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0
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return $engine->execute($value); |
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} |
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1; |