Method MustDefer

types/lazy/deferred.go:59–63

MustDefer is like [DeferredFuncs.Defer], but panics if [DeferredInit.Do] has already been called.

(f func() error)

// MustDefer is like [DeferredFuncs.Defer], but panics
// if [DeferredInit.Do] has already been called.
func (d *DeferredFuncs) MustDefer(f func() error) {
	if !d.Defer(f) {
		panic("deferred init already completed")
	}
}

// Do calls previously deferred init functions if it is being called
// for the first time on this instance of [DeferredInit].