module clox.util;

import std.stdio;
import std.traits : isUnsigned;
import std.container.array;
import std.functional : unaryFun;

T validateAssert(alias pred = "!!a", T)(T v, lazy string msg = null) nothrow {
	try{
		string m = msg;
		static if(is(typeof(pred) == string))
			m = msg ? msg : pred;
		assert(v.unaryFun!pred, m);
		return v;
	} catch(Exception){
		assert(0);
	}
}