/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public override Value eval(Env env)
{
if (!_value.isVar())
{
env.error(L.l("each() argument must be a variable at '{0}'", _value));
return(NullValue.NULL);
}
Value value = _value.eval(env);
_listHead.evalAssignEachValue(env, value);
return(value);
}
public FunEachExpr(Location location, Expr expr)
{
super(location, expr);
_isVar = expr.isVar();
}
public FunEachExpr(Expr expr)
: base(expr)
{
_isVar = expr.isVar();
}
