getFirstOrElse

getFirstOrElse<A>(defaultValue): <B>(data) => A

Defined in: Core/These.ts:248

Returns the first value, or a default if the These has no first value.

Type Parameters

A

A

Parameters

defaultValue

A

Returns

<B>(data): A

Type Parameters

B

B

Parameters

data

These<A, B>

Returns

A

Example

pipe(These.first(5), These.getFirstOrElse(0));            // 5
pipe(These.both(5, "warn"), These.getFirstOrElse(0));     // 5
pipe(These.second("warn"), These.getFirstOrElse(0));      // 0