refactor(rh): use cleaner iterator for counting version flags

release-helper/src/lib.rs

@@ -86,17 +86,7 @@ pub fn today_iso8601() -> String {
 }
 
 pub fn enabled_version_flag_count(major: bool, minor: bool, patch: bool) -> i32 {
-    let mut count = 0;
-    if major {
-        count += 1;
-    }
-    if minor {
-        count += 1;
-    }
-    if patch {
-        count += 1;
-    }
-    count
+    [major, minor, patch].into_iter().filter(|b| *b).count() as i32
 }
 
 pub fn get_version_level(major: bool, minor: bool, patch: bool) -> Result<VersionLevel, Error> {