Rollup merge of #58538 - GuillaumeGomez:fmt-examples, r=Centril
Rollup merge of #58538 - GuillaumeGomez:fmt-examples, r=Centril

Add missing fmt structs examples

r? @rust-lang/docs

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