public override object Execute(NameEnv env)
{
object ret = Stmt.NextStmt;
IEnumerator i = Ops.GetEnumerator(list.Evaluate(env));
while (i.MoveNext())
{
lhs.Assign(i.Current, env);
ret = body.Execute(env);
if (ret != NextStmt)
{
return(ret);
}
}
return(ret);
// if (else_ != null) {
// else_.exec(env);
// }
}
public override void Assign(object val, NameEnv env)
{
expr.Assign(val, env);
}
