#static #if #macro


Macro for performing comparisons during macro expansion

5 unstable releases

Uses old Rust 2015

0.3.0 Mar 26, 2022
0.2.1 Jan 20, 2017
0.2.0 Aug 11, 2016
0.1.1 Feb 19, 2016
0.1.0 Feb 18, 2016

#1088 in Rust patterns

30 downloads per month
Used in named-block



This is a tiny Rust crate that allows macros to make comparisons.

Normally, macros can capture all kinds of syntax fragments but they can't compare them. However, by defining a fresh macro and jumping to it immediately, comparisons can be hacked in. See the source for more details.


Licensed under either of

at your option.


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