feat: add isComparable function to check the comparability of a type.

Author: ghosind

util.go

@@ -53,6 +53,20 @@ func isEqual(x, y any) bool {
 	}
 }
 
+// isComparable gets the type of the value, and checks whether the type is comparable or not.
+func isComparable(v any) bool {
+	switch v.(type) {
+	case
+		int, int8, int16, int32, int64, // Signed integer
+		uint, uint8, uint16, uint32, uint64, uintptr, // Unsigned integer
+		float32, float64, // Floating-point number
+		string: // string
+		return true
+	default:
+		return false
+	}
+}
+
 // isSameType indicates the equality of two types, and it will ignore the bit size of the same
 // type. For example, `int32` and `int64` will be the same type.
 func isSameType(t1, t2 reflect.Type) bool {

util_test.go

@@ -78,6 +78,19 @@ func TestIsEqual(t *testing.T) {
 	assert.Equal(isEqual(testStruct1{A: 0}, testStruct2{A: 0}), false)
 }
 
+func TestIsComparable(t *testing.T) {
+	assert := New(t)
+
+	assert.Equal(isComparable(1), true)
+	assert.Equal(isComparable(int64(1)), true)
+	assert.Equal(isComparable(uint64(1)), true)
+	assert.Equal(isComparable(float32(1.0)), true)
+	assert.Equal(isComparable(1.0), true)
+	assert.Equal(isComparable("Hello"), true)
+	assert.Equal(isComparable([]byte{'H', 'e', 'l', 'l', 'o'}), false)
+	assert.Equal(isComparable([]int{1, 2, 3}), false)
+}
+
 func TestIsNil(t *testing.T) {
 	assert := New(t)