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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Syntax::Operator::Is;
BEGIN { plan skip_all => "No PL_infix_plugin" unless XS::Parse::Infix::HAVE_PL_INFIX_PLUGIN; }
use Data::Checks qw( Num );
ok( 123 is Num, '123 is Num' );
ok( !( undef is Num ), 'undef is not Num' );
ok( !( "hello" is Num ), '"hello" is not Num' );
# Defeat const-folding to prove that pp_is_dynamic also works
my $constraint_Num = Num;
ok( 456 is $constraint_Num, '456 is Num via padsv' );
ok( !( undef is $constraint_Num ), 'undef is not Num via padsv' );
done_testing;
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