fix(no_std): fix compilation error in unreachable_unchecked

Signed-off-by: Eliza Weisman <[email protected]>
hawkw · Apr 11, 2022 · cbf943a · cbf943a
1 parent 8ae178a
commit cbf943a
Showing 1 changed file with 23 additions and 20 deletions.
diff --git a/src/macros.rs b/src/macros.rs
@@ -95,29 +95,32 @@ macro_rules! fmt_bits {
 
 #[allow(unused_macros)]
 macro_rules! unreachable_unchecked {
-    ($($arg:tt)+) => {
-        crate::unreachable_unchecked!(@inner , format_args!(": {}", format_args!($($arg)*)))
+    (@inner $msg:expr) => {
+        {
+            #[cfg(debug_assertions)] {
+                panic!(
+                    "internal error: entered unreachable code{}\n\n\
+                    /!\\ EXTREMELY SERIOUS WARNING /!\\\n
+                    This code should NEVER be entered; in release mode, this would \
+                    have been an `unreachable_unchecked` hint. The fact that this \
+                    occurred means something VERY bad is going on. \n\
+                    Please contact the `thingbuf` maintainers immediately. Sorry!",
+                    $msg,
+                );
+            }
+            #[cfg(not(debug_assertions))]
+            unsafe {
+                core::hint::unreachable_unchecked();
+            }
+
+        }
     };
 
-    () => {
-        crate::unreachable_unchecked!(@inner ".")
+    ($($arg:tt)+) => {
+        unreachable_unchecked!(@inner format_args!(": {}", format_args!($($arg)*)))
     };
 
-    (@inner $msg:expr) => {
-        #[cfg(debug_assertions)] {
-            panic!(
-                "internal error: entered unreachable code{}\n\n\
-                /!\\ EXTREMELY SERIOUS WARNING /!\\\n
-                This code should NEVER be entered; in release mode, this would \
-                have been an `unreachable_unchecked` hint. The fact that this \
-                occurred means something VERY bad is going on. \n\
-                Please contact the `thingbuf` maintainers immediately. Sorry!",
-                $msg,
-            );
-        }
-        #[cfg(not(debug_assertions))]
-        unsafe {
-            core::hint::unreachable_unchecked();
-        }
+    () => {
+        unreachable_unchecked!(@inner ".")
     };
 }