tape/types.go

@@ -35,26 +35,26 @@ type String interface { ~string }
 
 // DecodeI8 decodes an 8 bit integer from the given data.
 func DecodeI8[T Int8](data []byte) (value T, n int, err error) {
-	if len(data) != 1 { return 0, 0, fmt.Errorf("decoding int8: %w", ErrWrongBufferLength) }
+	if len(data) < 1 { return 0, 0, fmt.Errorf("decoding int8: %w", ErrWrongBufferLength) }
 	return T(data[0]), 1, nil
 }
 
 // EncodeI8 encodes an 8 bit integer into the given buffer.
 func EncodeI8[T Int8](buffer []byte, value T) (n int, err error) {
-	if len(buffer) != 1 { return 0, fmt.Errorf("encoding int8: %w", ErrWrongBufferLength) }
+	if len(buffer) < 1 { return 0, fmt.Errorf("encoding int8: %w", ErrWrongBufferLength) }
 	buffer[0] = byte(value)
 	return 1, nil
 }
 
 // DecodeI16 decodes a 16 bit integer from the given data.
 func DecodeI16[T Int16](data []byte) (value T, n int, err error) {
-	if len(data) != 2 { return 0, 0, fmt.Errorf("decoding int16: %w", ErrWrongBufferLength) }
+	if len(data) < 2 { return 0, 0, fmt.Errorf("decoding int16: %w", ErrWrongBufferLength) }
 	return T(data[0]) << 8 | T(data[1]), 2, nil
 }
 
 // EncodeI16 encodes a 16 bit integer into the given buffer.
 func EncodeI16[T Int16](buffer []byte, value T) (n int, err error) {
-	if len(buffer) != 2 { return 0, fmt.Errorf("encoding int16: %w", ErrWrongBufferLength) }
+	if len(buffer) < 2 { return 0, fmt.Errorf("encoding int16: %w", ErrWrongBufferLength) }
 	buffer[0] = byte(value >> 8)
 	buffer[1] = byte(value)
 	return 2, nil