Files
wasmtime/lib/cretonne/src/ref_slice.rs
Jakob Stoklund Olesen c995cb6f43 Add a ref_slice module.
Utility functions for converting &T to an &[T] slice with a single
element.
2016-11-04 12:32:09 -07:00

19 lines
521 B
Rust

//! Functions for converting a reference into a singleton slice.
//!
//! See also the ref_slice crate on crates.io.
//!
//! We define the functions here to avoid external dependencies, and to ensure that they are
//! inlined in this crate.
//!
//! Despite their using an unsafe block, these functions are completely safe.
use std::slice;
pub fn ref_slice<T>(s: &T) -> &[T] {
unsafe { slice::from_raw_parts(s, 1) }
}
pub fn ref_slice_mut<T>(s: &mut T) -> &mut [T] {
unsafe { slice::from_raw_parts_mut(s, 1) }
}