package ExtUtils::Builder::FileSet::Subst;
$ExtUtils::Builder::FileSet::Subst::VERSION = '0.016';
use strict;
use warnings;
use base 'ExtUtils::Builder::FileSet';
use Carp ();
use Scalar::Util ();
sub new {
        my ($class, %args) = @_;
        my $self = $class->SUPER::new(%args);
        $self->{subst} = $args{subst} or Carp::croak("No subst given");
        return $self;
}
sub add_input {
        my ($self, $source) = @_;
        my $target = $self->{subst}->($source);
        $self->_pass_on($target);
        return $target;
}
1;