builtin: Update builtin_all and builtin_any for Python3

Update builtin_all and builtin_any for Python3
reference:
- https://docs.python.org/3/library/functions.html#all
- https://docs.python.org/3/library/functions.html#all

Fixes: #14

Author: corona10

builtin/builtin.go

@@ -237,7 +237,6 @@ If the iterable is empty, return True.
 
 func builtin_all(self, seq py.Object) (py.Object, error) {
 	iter, err := py.Iter(seq)
-	res := false
 	if err != nil {
 		return nil, err
 	}
@@ -249,14 +248,11 @@ func builtin_all(self, seq py.Object) (py.Object, error) {
 			}
 			return nil, err
 		}
-		if py.ObjectIsTrue(item) {
-			res = true
-		} else {
-			res = false
-			break
+		if !py.ObjectIsTrue(item) {
+			return py.False, nil
 		}
 	}
-	return py.NewBool(res), nil
+	return py.True, nil
 }
 
 const any_doc = `any(iterable) -> bool
@@ -266,7 +262,6 @@ If the iterable is empty, Py_RETURN_FALSE."`
 
 func builtin_any(self, seq py.Object) (py.Object, error) {
 	iter, err := py.Iter(seq)
-	res := false
 	if err != nil {
 		return nil, err
 	}
@@ -279,11 +274,10 @@ func builtin_any(self, seq py.Object) (py.Object, error) {
 			return nil, err
 		}
 		if py.ObjectIsTrue(item) {
-			res = true
-			break
+			return py.True, nil
 		}
 	}
-	return py.NewBool(res), nil
+	return py.False, nil
 }
 
 const round_doc = `round(number[, ndigits]) -> number

builtin/tests/builtin.py

@@ -11,7 +11,7 @@
 assert all((0,0,0)) == False
 assert all((1,1,0)) == False
 assert all(["hello", "world"]) == True
-assert all([]) == False
+assert all([]) == True
 
 doc="any"
 assert any((0,0,0)) == False