Rollup merge of #85973 - LingMan:indentation, r=jyn514
Rollup merge of #85973 - LingMan:indentation, r=jyn514

Replace a `match` with an `if let`

Seems like a better fit here and saves one level of indentation.

`@rustbot` modify labels +C-cleanup +T-compiler

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