type context.canceler

5 uses

	context (current package)
		context.go#L393: func removeChild(parent Context, child canceler) {
		context.go#L411: type canceler interface {
		context.go#L430: 	children map[canceler]struct{} // set to nil by the first cancel call
		context.go#L466: func (c *cancelCtx) propagateCancel(parent Context, child canceler) {
		context.go#L490: 				p.children = make(map[canceler]struct{})

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)