Function constant

constant<T>(value: T): Decoder<T>

Decoder that always succeeds with the specific provided value.

Type Parameters

T

Parameters

value: T
The constant value

Returns Decoder<T>

A decoder that always succeeds with the provided value

Example

const trueDecoder = JsonDecoder.constant(true);

trueDecoder.decode(true); // Ok<boolean>({value: true})
trueDecoder.decode(false); // Ok<boolean>({value: true})
trueDecoder.decode("hello"); // Ok<boolean>({value: "true"})