nativecall-raku-c++2

# this is test.cpp file

#include <algorithm>
#include <iostream>
#include <string>

extern "C" int count(std::string String)
{
    return std::count(String.begin(), String.end(), 'a');
}

# this is test.raku

use NativeCall;
sub count(Str $str is encoded('utf8')) returns int32 is native('libtest') { * };

say count("pastepaste")