diff options
Diffstat (limited to 'build.rs')
-rw-r--r-- | build.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/build.rs b/build.rs new file mode 100644 index 0000000..70e301b --- /dev/null +++ b/build.rs @@ -0,0 +1,6 @@ +fn main() { + let ac = autocfg::new(); + if ac.probe_expression("(0..10).step_by(2).rev()") { + autocfg::emit("step_by"); + } +} |