Function tapNone

tapNone<T>(option: OptionType<T>, fn: () => void): OptionType<T>
Run a side effect when the option is none; the option flows through unchanged. The effect receives no arguments.

Dual API — works data-first or curried for use in pipe.
Type Parameters
- T
Parameters
- option: OptionType<T>
- fn: () => void
Returns OptionType<T>
Example
```
pipe(
    findUser(id),
    Option.tapNone(() => logger.warn("user not found", { id })),
  )
```
- Defined in option/transform.ts:121
tapNone<T>(fn: () => void): (option: OptionType<T>) => OptionType<T>
Run a side effect when the option is none; the option flows through unchanged. The effect receives no arguments.

Dual API — works data-first or curried for use in pipe.
Type Parameters
- T
Parameters
- fn: () => void
Returns (option: OptionType<T>) => OptionType<T>
Example
```
pipe(
    findUser(id),
    Option.tapNone(() => logger.warn("user not found", { id })),
  )
```
- Defined in option/transform.ts:122