type context.CancelCauseFunc

8 uses

	context (current package)
		context.go#L255: type CancelCauseFunc func(cause error)
		context.go#L268: func WithCancelCause(parent Context) (ctx Context, cancel CancelCauseFunc) {

	net/http
		transport.go#L104: 	reqCanceler map[*Request]context.CancelCauseFunc
		transport.go#L520: 	cancel context.CancelCauseFunc
		transport.go#L743: func awaitLegacyCancel(ctx context.Context, cancel context.CancelCauseFunc, req *Request) {
		transport.go#L913: func (t *Transport) prepareTransportCancel(req *Request, origCancel context.CancelCauseFunc) context.CancelCauseFunc {
		transport.go#L928: 		t.reqCanceler = make(map[*Request]context.CancelCauseFunc)