test: add `()=()=()=...` to weird-exprs.rs
test: add `()=()=()=...` to weird-exprs.rs
graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust