sync

func OnceVal ¶

func OnceVal[T any](newFn func() T) ValFn[T]

OnceVal returns a function that invokes f only once and returns the value returned by f. The returned function may be called concurrently.

If f panics, the returned function will panic with the same value on every call.

func OnceValFn ¶

func OnceValFn[T any](newFn func() T) ValFn[T]

OnceValFn returns a function that invokes f only once and returns the value returned by f. The returned function may be called concurrently.

func OnceVals ¶

func OnceVals[T1, T2 any](newFn func() (T1, T2)) ValsFn[T1, T2]

OnceVals returns a function that invokes f only once and returns the values returned by f. The returned function may be called concurrently.

If f panics, the returned function will panic with the same value on every call.

func OnceValsFn ¶

func OnceValsFn[T1, T2 any](newFn func() (T1, T2)) ValsFn[T1, T2]

OnceValsFn returns a function that invokes f only once and returns the value returned by f. The returned function may be called concurrently.