Add custom impl of <Flag as FromMeta>::from_none

TedDriggs · Apr 11, 2022 · f65b10b · f65b10b
1 parent afd8501
commit f65b10b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/core/src/util/mod.rs b/core/src/util/mod.rs
@@ -41,6 +41,10 @@ impl Deref for Flag {
 }
 
 impl FromMeta for Flag {
+    fn from_none() -> Option<Self> {
+        Some(Flag(None))
+    }
+
     fn from_meta(mi: &syn::Meta) -> Result<Self> {
         FromMeta::from_meta(mi).map(Flag)
     }