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Diffstat (limited to 'crates/test-utils/src/minicore.rs')
-rw-r--r--crates/test-utils/src/minicore.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/crates/test-utils/src/minicore.rs b/crates/test-utils/src/minicore.rs
index 3b033e1aae..7b48e42489 100644
--- a/crates/test-utils/src/minicore.rs
+++ b/crates/test-utils/src/minicore.rs
@@ -510,6 +510,7 @@ pub mod fmt {
pub mod slice {
#[lang = "slice"]
impl<T> [T] {
+ #[lang = "slice_len_fn"]
pub fn len(&self) -> usize {
loop {}
}