let_chains: Fuse PatternSource::Let & ::LetExpr.
let_chains: Fuse PatternSource::Let & ::LetExpr.

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