gotools/internal/apidiff/messageset.go

type messageSet …

// Add a message for obj and part, overwriting a previous message
// (shouldn't happen).
// obj is required but part can be empty.
func (m messageSet) add(obj types.Object, part, msg string) { … }

func (m messageSet) collect() []string { … }

func objectString(obj types.Object) string { … }

func dotjoin(s1, s2 string) string { … }