Rename {copied,cloned} to {copied,cloned}_ok, and add {copied,cloned} to copy/clone both Ok and Err
Rename {copied,cloned} to {copied,cloned}_ok, and add {copied,cloned} to copy/clone both Ok and Err

graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust