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@nlozgachev/pipekit

match

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

Defined in: Core/These.ts:202

Pattern matches on a These, returning the result of the matching case.

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”

both

Section titled “both”

(e, a) => B

err

Section titled “err”

(e) => B

ok

Section titled “ok”

(a) => B

Returns

Section titled “Returns”

(data): B

Parameters

Section titled “Parameters”

data

Section titled “data”

These<E, A>

Returns

Section titled “Returns”

B

Example

Section titled “Example”
pipe(
  these,
  These.match({
    err: e => `Error: ${e}`,
    ok: a => `Value: ${a}`,
    both: (e, a) => `Both: ${e} / ${a}`
  })
);