diff options
Diffstat (limited to 'third_party/rust/unix_str/src/sys_common.rs')
-rw-r--r-- | third_party/rust/unix_str/src/sys_common.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/rust/unix_str/src/sys_common.rs b/third_party/rust/unix_str/src/sys_common.rs new file mode 100644 index 0000000000..c18994e4a2 --- /dev/null +++ b/third_party/rust/unix_str/src/sys_common.rs @@ -0,0 +1,39 @@ +//! Platform-independent platform abstraction +//! +//! This is the platform-independent portion of the standard library's +//! platform abstraction layer, whereas `std::sys` is the +//! platform-specific portion. +//! +//! The relationship between `std::sys_common`, `std::sys` and the +//! rest of `std` is complex, with dependencies going in all +//! directions: `std` depending on `sys_common`, `sys_common` +//! depending on `sys`, and `sys` depending on `sys_common` and `std`. +//! Ideally `sys_common` would be split into two and the dependencies +//! between them all would form a dag, facilitating the extraction of +//! `std::sys` from the standard library. + +pub mod bytestring; + +/// A trait for viewing representations from std types +#[doc(hidden)] +pub trait AsInner<Inner: ?Sized> { + fn as_inner(&self) -> &Inner; +} + +/// A trait for viewing representations from std types +#[doc(hidden)] +pub trait AsInnerMut<Inner: ?Sized> { + fn as_inner_mut(&mut self) -> &mut Inner; +} + +/// A trait for extracting representations from std types +#[doc(hidden)] +pub trait IntoInner<Inner> { + fn into_inner(self) -> Inner; +} + +/// A trait for creating std types from internal representations +#[doc(hidden)] +pub trait FromInner<Inner> { + fn from_inner(inner: Inner) -> Self; +} |