diff options
| -rw-r--r-- | lib/uuidv7/uuidv7.go | 21 | ||||
| -rw-r--r-- | lib/uuidv7/uuidv7_example_test.go | 19 |
2 files changed, 40 insertions, 0 deletions
diff --git a/lib/uuidv7/uuidv7.go b/lib/uuidv7/uuidv7.go index 5a6b6e03..6870b562 100644 --- a/lib/uuidv7/uuidv7.go +++ b/lib/uuidv7/uuidv7.go @@ -77,6 +77,27 @@ func (id UUIDv7) Bytes() (data []byte) { return data } +// Equal returns nil if id and v are equals. +// This method implements [git.sr.ht/~shulhan/pakakeh.go/lib/reflect.Equaler] +// interface. +func (id *UUIDv7) Equal(v any) (err error) { + ptr, ok := v.(*UUIDv7) + if !ok { + other, ok := v.(UUIDv7) + if !ok { + return fmt.Errorf(`uuidv7: Equal: want type %T, got %T`, &id, v) + } + ptr = &other + } + if id.high != ptr.high { + return fmt.Errorf(`uuidv7: not equal, want %s, got %s`, id.String(), ptr.String()) + } + if id.low != ptr.low { + return fmt.Errorf(`uuidv7: not equal, want %s, got %s`, id.String(), ptr.String()) + } + return nil +} + // IsZero returns true if all bits is zero. func (id UUIDv7) IsZero() bool { return id.high == 0 && id.low == 0 diff --git a/lib/uuidv7/uuidv7_example_test.go b/lib/uuidv7/uuidv7_example_test.go index c0472dd5..df007698 100644 --- a/lib/uuidv7/uuidv7_example_test.go +++ b/lib/uuidv7/uuidv7_example_test.go @@ -46,6 +46,25 @@ func ExampleParse() { // false 019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF 2026-03-09 14:20:01.123 +0000 UTC } +func ExampleUUIDv7_Equal() { + id := uuidv7.Parse(`019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF`) + id2 := uuidv7.Parse(`019CD2F8-2AE3-774E-BFFF-FFFFFFFFFFFF`) + + err := id.Equal(id) + fmt.Printf("%v\n", err) + + err = id.Equal(&id) + fmt.Printf("%v\n", err) + + err = id.Equal(&id2) + fmt.Printf("%v\n", err) + + // Output: + // <nil> + // <nil> + // uuidv7: not equal, want 019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF, got 019CD2F8-2AE3-774E-BFFF-FFFFFFFFFFFF +} + func ExampleUUIDv7_MarshalBinary() { now := time.Date(2026, 3, 9, 14, 20, 0, 123456700, time.UTC) uuidv7.Now = func() time.Time { |