File Coverage

blib/lib/Function/Embeddable.pm

Criterion	Covered	Total	%
statement	35	43	81.4
branch	10	14	71.4
condition			n/a
subroutine	9	9	100.0
pod	4	4	100.0
total	58	70	82.8

package Function::Embeddable;

our $DATE = '2015-06-17'; # DATE
our $VERSION = '0.02'; # VERSION

use 5.010001;
use strict;
use warnings;

# BEGIN_BLOCK: import
sub import {
    no strict 'refs';
    my $pkg = shift;
    my $caller = caller;
    my @imp = @_ ? @_ : @{__PACKAGE__.'::EXPORT'};
    for my $imp (@imp) {
        if (grep {$_ eq $imp} (@{__PACKAGE__.'::EXPORT'},
                               @{__PACKAGE__.'::EXPORT_OK'})) {
            *{"$caller\::$imp"} = \&{$imp};
        } else {
            die "$imp is not exported by ".__PACKAGE__;
        }
    }
}
# END_BLOCK: import

# BEGIN_BLOCK: pick
sub pick {
    return undef unless @_;
    return $_[@_*rand];
}
# END_BLOCK: pick

# BEGIN_BLOCK: pick_n
sub pick_n {
    my $n = shift;
    my @res;
    while (1) {
        last if @res >= $n;
        last unless @_;
        push @res, splice(@_, @_*rand(), 1);
    }
    @res;
}
# END_BLOCK: pick_n

# BEGIN_BLOCK: shuffle
sub shuffle {
    my @res;
    while (1) {
        last unless @_;
        push @res, splice(@_, @_*rand(), 1);
    }
    @res;
}
# END_BLOCK: shuffle

# copy-pasted from List::MoreUtils
# BEGIN_BLOCK: uniq
sub uniq (@) {
    my %seen = ();
    my $k;
    my $seen_undef;
    grep { defined $_ ? not $seen{ $k = $_ }++ : not $seen_undef++ } @_;
}
# END_BLOCK: uniq

1;
# ABSTRACT: Collection of functions that can be embedded e.g. using Dist::Zilla plugin

__END__