testing.matcher.mu (field)

5 uses

	testing (current package)
		match.go#L20: 	mu sync.Mutex
		match.go#L69: 	m.mu.Lock()
		match.go#L70: 	defer m.mu.Unlock()
		match.go#L94: 	m.mu.Lock()
		match.go#L95: 	defer m.mu.Unlock()