type WithTransformMatcher … var errorT … func NewWithTransformMatcher(transform interface{ … } func (m *WithTransformMatcher) Match(actual interface{ … } func (m *WithTransformMatcher) FailureMessage(_ interface{ … } func (m *WithTransformMatcher) NegatedFailureMessage(_ interface{ … } func (m *WithTransformMatcher) MatchMayChangeInTheFuture(_ interface{ … }