Review nits

Signed-off-by: Nico Burns <nico@nicoburns.com>

Author: nicoburns

.github/workflows/main.yml

@@ -20,8 +20,8 @@ jobs:
           - stable
           - 1.71.0
         features:
-          - --no-default-features
           -
+          - --no-default-features
           - --features malloc_size_of
         include:
           - toolchain: nightly

src/macros.rs

@@ -186,10 +186,7 @@ macro_rules! ascii_case_insensitive_phf_map {
 
         const MAX_LENGTH : usize = {
             let mut maxlen : usize = 0;
-            $(
-                // {} is necessary to work around "[E0658]: attributes on expressions are experimental"
-                { maxlen = const_usize_max(maxlen, ($key).len()); }
-            )+
+            $( maxlen = const_usize_max(maxlen, ($key).len()); )+
             maxlen
         };