andThen

Result.andThen returns the result of the supplied res closure if the result is Ok, returns Err<never> otherwise.

Result<T, E>.andThen<U> = (op: (a: T) => Result<U, E>): Result<U, E>;

Example

div(2, 2)                   // => Ok(1)
  .andThen(() => div(3, 3)) // => Ok(1)

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