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// Take a look at the license at the top of the repository in the LICENSE file.
cfg_if! {
if #[cfg(all(
feature = "multithread",
not(feature = "unknown-ci"),
not(all(target_os = "macos", feature = "apple-sandbox")),
))] {
/// Converts the value into a parallel iterator if the `multithread` feature is enabled.
/// Uses the `rayon::iter::IntoParallelIterator` trait.
#[cfg(all(
feature = "multithread",
not(feature = "unknown-ci"),
not(all(target_os = "macos", feature = "apple-sandbox")),
))]
#[allow(dead_code)]
pub(crate) fn into_iter<T>(val: T) -> T::Iter
where
T: rayon::iter::IntoParallelIterator,
{
val.into_par_iter()
}
/// Converts the value into a parallel mutable iterator if the `multithread` feature is
/// enabled. Uses the `rayon::iter::IntoParallelRefMutIterator` trait.
#[cfg(feature = "component")]
pub(crate) fn into_iter_mut<'a, T>(
val: &'a mut T,
) -> <T as rayon::iter::IntoParallelRefMutIterator<'a>>::Iter
where
T: rayon::iter::IntoParallelRefMutIterator<'a> + ?Sized,
{
val.par_iter_mut()
}
} else {
/// Converts the value into a sequential iterator if the `multithread` feature is disabled.
/// Uses the `std::iter::IntoIterator` trait.
#[allow(dead_code)]
pub(crate) fn into_iter<T>(val: T) -> T::IntoIter
where
T: IntoIterator,
{
val.into_iter()
}
// In the multithreaded version of `into_iter_mut` above, the `&mut` on the argument is
// indicating the parallel iterator is an exclusive reference. In the non-multithreaded
// case, the `&mut` is already part of `T` and specifying it will result in the argument
// being `&mut &mut T`.
/// Converts the value into a sequential mutable iterator if the `multithread` feature is
/// disabled. Uses the `std::iter::IntoIterator` trait.
#[cfg(feature = "component")]
pub(crate) fn into_iter_mut<T>(val: T) -> T::IntoIter
where
T: IntoIterator,
{
val.into_iter()
}
}
}