#compile-time #assert #macro #sizeof #no-alloc #no-std

no-std assert_size

A macro to assert that a type has a specific size at compile time

2 releases

0.1.1 Apr 19, 2024
0.1.0 Apr 19, 2024

#842 in Debugging

28 downloads per month

MIT/Apache

7KB

assert_size

Rust

A macro to assert that a type has a specific size at compile time

Usage

use assert_size::assert_size;

assert_size!((), 0);
assert_size!(u8, 1);
assert_size!(u16, 2);

struct Foo {
    a: u8, // 1 byte
    // 1 byte padding
    b: u16, // 2 bytes
}

assert_size!(Foo, 4);

License

Licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

No runtime deps