method Result.prototype.inspect Result.prototype.inspect(fn: (value: T) => void): Result<T, E> Performs a side effect on the Ok value without changing the Result. Examples Example 1 const result = fetchUser("123") .inspect(user => console.log("Fetched:", user)) .map(user => user.name); Parameters fn: (value: T) => void Function to call with the Ok value (if Ok) Return Type Result<T, E> This Result, unchanged