`join_segments` -> `build_glob_string`

- this is a more descriptive name

build/syntax_mapping.rs

@@ -138,7 +138,7 @@ impl Matcher {
             // parser logic ensures that this case can only happen when there are dynamic segments
             _ => {
                 let segments_codegen = self.0.iter().map(MatcherSegment::codegen).join(", ");
-                let closure = format!("|| join_segments(&[{segments_codegen}])");
+                let closure = format!("|| build_glob_string(&[{segments_codegen}])");
                 format!("BuiltinMatcher::Dynamic(Lazy::new({closure}))")
             }
         }

src/syntax_mapping.rs

@@ -42,11 +42,11 @@ impl BuiltinMatcher {
     }
 }
 
-/// Join a list of matcher segments, replacing all environment variables.
-/// Returns `None` if any replacement fails.
+/// Join a list of matcher segments to create a glob string, replacing all
+/// environment variables. Returns `None` if any replacement fails.
 ///
 /// Used internally by `BuiltinMatcher::Dynamic`'s lazy evaluation closure.
-fn join_segments(segs: &[MatcherSegment]) -> Option<String> {
+fn build_glob_string(segs: &[MatcherSegment]) -> Option<String> {
     let mut buf = String::new();
     for seg in segs {
         match seg {