[items.traits]| doc.rust-lang.org
[expr.method]| doc.rust-lang.org
Glossary| doc.rust-lang.org
[expr.block]| doc.rust-lang.org
[items.const]| doc.rust-lang.org
[names.scopes]| doc.rust-lang.org
[items.generics]| doc.rust-lang.org
PHP RFC: Constants in Traits| wiki.php.net
Use declarations| doc.rust-lang.org