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git.proxmox.com Git - rustc.git/blob - src/test/ui/inference/cannot-infer-closure-circular.rs
2 // Below we call the closure with its own return as the argument, unifying
3 // its inferred input and return types. We want to make sure that the generated
4 // error handles this gracefully, and in particular doesn't generate an extra
5 // note about the `?` operator in the closure body, which isn't relevant to
7 let x
= |r
| { //~ ERROR type annotations needed for `Result<(), E>`