Auto merge of #87598 - ccqpein:master, r=yaahc
Auto merge of #87598 - ccqpein:master, r=yaahc

Add doctests for HashMap's into_values and into_keys methods

Fixes #87591

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