Function tap

tap<T>(option: OptionType<T>, fn: (value: T) => void): OptionType<T>
Run a side effect on the value inside a Some; the option flows through unchanged. none is ignored. Useful for logging, metrics, or debugging inside a pipe.

Dual API — works data-first or curried for use in pipe.
Type Parameters
- T
Parameters
- option: OptionType<T>
- fn: (value: T) => void
Returns OptionType<T>
Example
```
pipe(
    findUser(id),
    Option.tap(user => logger.debug("loaded", user.id)),
    Option.map(user => user.name),
  )
```
- Defined in option/transform.ts:91
tap<T>(fn: (value: T) => void): (option: OptionType<T>) => OptionType<T>
Run a side effect on the value inside a Some; the option flows through unchanged. none is ignored. Useful for logging, metrics, or debugging inside a pipe.

Dual API — works data-first or curried for use in pipe.
Type Parameters
- T
Parameters
- fn: (value: T) => void
Returns (option: OptionType<T>) => OptionType<T>
Example
```
pipe(
    findUser(id),
    Option.tap(user => logger.debug("loaded", user.id)),
    Option.map(user => user.name),
  )
```
- Defined in option/transform.ts:92