| //! Workarounds for Rust 1.63 where some things in the `static_assertions` |
| //! crate do things that don't work in const contexts. We want to call them in |
| //! const contexts in Rust versions where that's supported so that problems are |
| //! caught at compile time, and fall back to dynamic asserts in Rust 1.63. |
| |
| #![allow(unused_macros)] |
| |
| macro_rules! assert_eq_size { |
| ($x:ty, $y:ty) => { |
| assert_eq!(core::mem::size_of::<$x>(), core::mem::size_of::<$y>()); |
| }; |
| } |
| |
| macro_rules! assert_eq_align { |
| ($x:ty, $y:ty) => { |
| assert_eq!(core::mem::align_of::<$x>(), core::mem::align_of::<$y>()); |
| }; |
| } |
| |
| macro_rules! const_assert_eq { |
| ($x:expr, $y:expr) => { |
| assert_eq!($x, $y); |
| }; |
| } |
| |
| macro_rules! const_assert_ne { |
| ($x:expr, $y:expr) => { |
| assert_ne!($x, $y); |
| }; |
| } |
| |
| macro_rules! const_assert { |
| ($x:expr) => { |
| assert!($x); |
| }; |
| } |