Mapping is just the map method. This is about early return, so maybe you could construe it as a specialized whatsit in the Cont monad. http://doc.rust-lang.org

Mapping is just the map method. This is about early return, so maybe you could construe it as a specialized whatsit in the Cont monad. http://doc.rust-lang.org/core/result/enum.Result.html#method.map http://doc.rust-lang.org/core/result/enum.Result.html#method... http://doc.rust-lang.org/core/option/enum.Option.html#method.map http://doc.rust-lang.org/core/option/enum.Option.html#method...