public Env(Env outer)
{
this.outer = outer;
}
void ReplaceCurrent(Exp exp, Env env = null)
{
current.ready = false;
current.exp = exp.Clone();
current.env = env ?? current.env;
}
Env()
{
outer = null;
}
Exp CreateProcedure(Cell body, Env env, List <string> argNames = null, string variadicName = null)
{
return(new SchemeProcedure(body, env, argNames, variadicName));
}