# isPresent method

bool isPresent()

If a value is present, returns `true`, otherwise `false`.

Returns `true` if a value is present, otherwise `false`.

## Example

    Optional<String> name = Optional.of("Charlie");
    Optional<String> empty = Optional.empty();

    print(name.isPresent()); // true
    print(empty.isPresent()); // false

    // Common usage pattern
    if (name.isPresent()) {
      print("Name is: ${name.get()}");
    }

## Implementation

    bool isPresent() {
      return _value != null;
    }