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Feat suppert procedural (#7913)

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* fix clippy replace clone with copy

* fix clippy warning pattern

* fix clippy warning replace into_iter with iter

* replace match with if let

* replace =0 with is_empty

* replace or with or_else

* replace vec! with Vec::new
This commit is contained in:
honeywest
2021-01-18 20:07:09 +08:00
committed by GitHub
parent ced107b355
commit 6ec0f64259
14 changed files with 67 additions and 73 deletions
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substrate/frame/support/procedural/src/pallet_version.rs
+1 -1
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@@ -27,7 +27,7 @@ use frame_support_procedural_tools::generate_crate_access_2018;
/// The version is parsed into the requested destination type.
fn get_version<T: FromStr>(version_env: &str) -> std::result::Result<T, ()> {
let version = env::var(version_env)
.expect(&format!("`{}` is always set by cargo; qed", version_env));
.unwrap_or_else(|_| panic!("`{}` is always set by cargo; qed", version_env));
T::from_str(&version).map_err(drop)
}