func evalEqGround(t *Topdown, a ast.Value, b ast.Value, iter Iterator) error {
a, err := ResolveRefs(a, t)
if err != nil {
return err
}
b, err = ResolveRefs(b, t)
if err != nil {
return err
}
if ast.Compare(a, b) == 0 {
return iter(t)
}
return nil
}
func compareNotEq(a, b ast.Value) bool {
return ast.Compare(a, b) != 0
}
func compareLessThanEq(a, b ast.Value) bool {
return ast.Compare(a, b) <= 0
}
func compareGreaterThanEq(a, b ast.Value) bool {
return ast.Compare(a, b) >= 0
}