isOk

isOk<E, A>(state): state is Ok<A>

Defined in: Core/Op.ts:611

Returns true if the state is Ok (the operation produced a value).

Type Parameters

E

E

A

A

Parameters

state

State<E, A>

Returns

state is Ok<A>

Example

manager.subscribe(state => {
  if (Op.isOk(state)) render(state.value);
});