Linked the earlier mention of IntoIterator in the keyword 'for' docs
Linked the earlier mention of IntoIterator in the keyword 'for' docs

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