clippy::flat_map_identity

This commit is contained in:
Matthias Krüger 2021-07-21 22:00:44 +02:00
parent 053aedce2c
commit d0a8a12dc6

View File

@ -576,7 +576,7 @@ pub fn is_known_lint_tool(m_item: Symbol, sess: &Session, attrs: &[ast::Attribut
// NOTE: does no error handling; error handling is done by rustc_resolve.
sess.filter_by_name(attrs, sym::register_tool)
.filter_map(|attr| attr.meta_item_list())
.flat_map(std::convert::identity)
.flatten()
.filter_map(|nested_meta| nested_meta.ident())
.map(|ident| ident.name)
.any(|name| name == m_item)