//@ has field/index.html '//a[@href="{{channel}}/core/ops/range/struct.Range.html#structfield.start"]' 'start'
//@ has field/index.html '//a[@href="{{channel}}/std/io/error/enum.ErrorKind.html#variant.NotFound"]' 'not_found'
//! [start][std::ops::Range::start]
//! [not_found][std::io::ErrorKind::NotFound]