Remove panic in macro and whitelist attribute types for storage

genesis config lines.
paritytech · Nov 6, 2019 · 61cd3f0 · 61cd3f0
1 parent bcb355f
commit 61cd3f0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/srml/support/procedural/src/storage/genesis_config/genesis_config_def.rs b/srml/support/procedural/src/storage/genesis_config/genesis_config_def.rs
@@ -123,7 +123,8 @@ impl GenesisConfigDef {
 
 		for line in &def.extra_genesis_config_lines {
 			let attrs = line.attrs.iter()
-				.map(|a| a.parse_meta().expect("attribute cannot be parsed"))
+				.filter_map(|a| a.parse_meta().ok())
+				.filter(|m| m.name() == "doc" || m.name() == "serde")
 				.collect();
 
 			let default = line.default.as_ref().map(|e| quote!( #e ))