configure no_std for guts, but not for testing

BLAKE3-team · Jan 22, 2024 · 6e519ea · 6e519ea
1 parent fc75227
commit 6e519ea
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/rust/guts/src/lib.rs b/rust/guts/src/lib.rs
@@ -1,3 +1,6 @@
+// Tests always require libstd.
+#![cfg_attr(all(not(feature = "std"), not(test)), no_std)]
+
 use core::cmp;
 use core::marker::PhantomData;
 use core::mem;