time: move - operator to operator.v (#7433)

vlib/time/operator.v

@@ -44,3 +44,11 @@ pub fn (t1 Time) gt(t2 Time) bool {
 pub fn (t1 Time) ge(t2 Time) bool {
 	return t1.gt(t2) || t1.eq(t2)
 }
+
+// Time subtract using eperator overloading
+[inline]
+pub fn (lhs Time) -(rhs Time) Duration {
+	lhs_micro := lhs.unix * 1000 * 1000 + u64(lhs.microsecond)
+	rhs_micro := rhs.unix * 1000 * 1000 + u64(rhs.microsecond)
+	return (i64(lhs_micro) - i64(rhs_micro)) * microsecond
+}

vlib/time/operator_test.v

@@ -367,3 +367,25 @@ fn test_time2_copied_from_time1_should_be_equal() {
 	t2 := new_time(t1)
 	assert t2.eq(t1)
 }
+
+fn test_subtract() {
+	d_seconds := 3
+	d_microseconds := 13
+	duration := d_seconds * second + d_microseconds * microsecond
+	t1 := new_time(Time{
+		year: 2000
+		month: 5
+		day: 10
+		hour: 22
+		minute: 11
+		second: 3
+		microsecond: 100
+	})
+	t2 := unix2(int(t1.unix) + d_seconds, t1.microsecond + d_microseconds)
+	d1 := t2 - t1
+	d2 := t1 - t2
+	assert d1 > 0
+	assert d1 == duration
+	assert d2 < 0
+	assert d2 == -duration
+}

vlib/time/time.v

@@ -355,13 +355,6 @@ pub fn (t Time) str() string {
 	return t.format_ss()
 }
 
-// Time subtract using eperator overloading
-pub fn (lhs Time) -(rhs Time) Duration {
-	lhs_micro := lhs.unix * 1000 * 1000 + u64(lhs.microsecond)
-	rhs_micro := rhs.unix * 1000 * 1000 + u64(rhs.microsecond)
-	return (i64(lhs_micro) - i64(rhs_micro)) * microsecond
-}
-
 fn convert_ctime(t C.tm, microsecond int) Time {
 	return Time{
 		year: t.tm_year + 1900

vlib/time/time_test.v

@@ -177,20 +177,6 @@ fn test_str() {
 	assert '1980-07-11 21:23:42' == time_to_test.str()
 }
 
-fn test_subtract() {
-	d_seconds := 3
-	d_microseconds := 13
-	duration := d_seconds * time.second + d_microseconds * time.microsecond
-	t1 := time_to_test
-	t2 := time.unix2(int(t1.unix) + d_seconds, t1.microsecond + d_microseconds)
-	d1 := t2 - t1
-	d2 := t1 - t2
-	assert d1 > 0
-	assert d1 == duration
-	assert d2 < 0
-	assert d2 == -duration
-}
-
 // not optimal test but will find obvious bugs
 fn test_now() {
 	now := time.now()