new operator 'filter'

t_operator_test.go

@@ -33,12 +33,13 @@ func TestOperator(t *testing.T) {
 		/*  20 */ {`a=1; a^=2`, int64(3), nil},
 		/*  21 */ {`a=1; ++a`, int64(2), nil},
 		/*  22 */ {`a=1; --a`, int64(0), nil},
-		/*  23 */ {`[1,2,3] map var("_")`, []any{1, 2, 3}, nil},
-		/*  24 */ {`[1,2,3] map $_`, newList([]any{1, 2, 3}), nil},
+		/*  23 */ {`[1,2,3] map var("_")`, newList([]any{int64(1), int64(2), int64(3)}), nil},
+		/*  24 */ {`[1,2,3] map $_`, newList([]any{int64(1), int64(2), int64(3)}), nil},
+		/*  25 */ {`[1,2,3,4] filter ($_ % 2 == 0)`, newList([]any{int64(2), int64(4)}), nil},
 	}
 
 	// t.Setenv("EXPR_PATH", ".")
 
-	runTestSuiteSpec(t, section, inputs, 24)
-	// runTestSuite(t, section, inputs)
+	// runTestSuiteSpec(t, section, inputs, 25)
+	runTestSuite(t, section, inputs)
 }