Method OnCancel

context.go:99–101

OnCancel executes f when ctx is canceled.

(f func())

// OnCancel executes f when ctx is canceled.
func (ctx *Context) OnCancel(f func()) {
	ctx.cleanupFuncs = append(ctx.cleanupFuncs, f)
}

// FileSystems returns a ref to the FilesystemMap.
// EXPERIMENTAL: This API is subject to change.