- $foreach "()" replaced by trailing ":" $foreach ($x, $y : $foo) -> $foreach $x, $y : $foo:

- `$for` "()" replaced by trailing ":" `$for (var $x = 0; $x < FOO; $x++)` -> `$for var $x = 0; $x < FOO; $x++:`
- `$switch` "()" replaced by trailing ":" `$switch ($Type)` -> `$switch $Type:`
- Empty `$switch` requires trailing ":" `$switch` -> `$switch:`

lib/std/os/backtrace.c3

@@ -79,7 +79,7 @@ fn Backtrace* Backtrace.init(&self, Allocator allocator, uptr offset, String fun
 fn void*[] capture_current(void*[] buffer)
 {
 	if (!buffer.len) return buffer[:0];
-	$switch
+	$switch:
 		$case env::POSIX:
 			CInt len = posix::backtrace(buffer.ptr, buffer.len);
 			return buffer[:len];