File Coverage

blib/lib/BusyBird/Filter.pm

Criterion	Covered	Total	%
statement	39	39	100.0
branch	6	12	50.0
condition			n/a
subroutine	12	12	100.0
pod	3	3	100.0
total	60	66	90.9

package BusyBird::Filter;
use v5.8.0;
use strict;
use warnings;
use Exporter 5.57 qw(import);
use Carp;
use Storable qw(dclone);

our @EXPORT_OK = qw(filter_map filter_each filter_grep);
our %EXPORT_TAGS = (all => \@EXPORT_OK);

sub filter_each {
    my ($func) = @_;
    croak "func parameter is mandatory" if not defined $func;
    croak "func parameter must be a code-ref" if ref($func) ne "CODE";
    return sub {
        my $statuses = shift;
        $func->($_) foreach @$statuses;
        return $statuses;
    };
}

sub filter_map {
    my ($func) = @_;
    croak "func parameter is mandatory" if not defined $func;
    croak "func parameter must be a code-ref" if ref($func) ne "CODE";
    return sub {
        my $statuses = shift;
        return [ map { $func->(dclone($_)) } @$statuses ];
    };
}

sub filter_grep {
    my ($func) = @_;
    croak "func parameter is mandatory" if not defined $func;
    croak "func parameter must be a code-ref" if ref($func) ne "CODE";
    return sub {
        my ($statuses) = @_;
        return [ grep { $func->($_) } @$statuses ];
    };
}


1;
__END__