types.basetypeimpl.andthen.md

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BaseTypeImpl.andThen() method

Create a function with validated input.

Signature:

andThen<Return, RestArgs extends unknown[]>(fn: (value: ResultType, ...restArgs: RestArgs) => Return): (input: unknown, ...restArgs: RestArgs) => Return;

Parameters

Parameter	Type	Description
fn	(value: ResultType, ...restArgs: RestArgs) => Return	the function with input to be checked

Returns:

(input: unknown, ...restArgs: RestArgs) => Return

Remarks

Note that only the first parameter to the function is checked. The resulting function can be used as a parser and integrates nicely with other types.