Add a doctest example of str::split on a slice of chars
Add a doctest example of str::split on a slice of chars

This is mentioned as supported, but the semantics are not described.

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