Interface Psr4Paths

src/composer.rs:329–332

Uniform access to the path strings inside a PSR-4 value, regardless of whether it came from `autoload` or `autoload-dev`.

/// Uniform access to the path strings inside a PSR-4 value, regardless
/// of whether it came from `autoload` or `autoload-dev`.
trait Psr4Paths {
    /// Call `f` for each directory path in this value.
    fn for_each_path(&self, f: impl FnMut(&str));
}

macro_rules! impl_psr4_paths {
    ($ty:ty) => {