Add an is_empty method to types with a len one
authormcarton <cartonmartin+git@gmail.com>
Fri, 15 Jan 2016 14:51:26 +0000 (15:51 +0100)
committermcarton <cartonmartin+git@gmail.com>
Sat, 16 Jan 2016 11:42:56 +0000 (12:42 +0100)
commit715dcb8ec52f224b0745527087d5897acf78fd4b
tree6e9e1df55ca1cb06e20b8cc257896e942395dd06
parent3a852a0f2a7b2d88f46254aa9915976b480d6f3a
Add an is_empty method to types with a len one

Fix all Clippy’s len_without_is_empty warnings.
src/cargo/core/package.rs
src/cargo/core/source.rs
src/cargo/util/dependency_queue.rs