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pipelined

match

match<E, A, B>(cases): (outcome) => B

Defined in: Core/Op.ts:570

Pattern matches on an Outcome using named case handlers.

Type Parameters

Section titled “Type Parameters”

E

Section titled “E”

E

A

Section titled “A”

A

B

Section titled “B”

B

Parameters

Section titled “Parameters”

cases

Section titled “cases”

err

Section titled “err”

(e) => B

nil

Section titled “nil”

() => B

ok

Section titled “ok”

(a) => B

Returns

Section titled “Returns”

(outcome): B

Parameters

Section titled “Parameters”

outcome

Section titled “outcome”

Outcome<E, A>

Returns

Section titled “Returns”

B

Example

Section titled “Example”
Op.match({
  ok:  (user) => render(user),
  err: (e)    => showError(e.message),
  nil: ()     => resetUI(),
})(outcome);