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10 lines
398 B
Rust
10 lines
398 B
Rust
// revisions: old new
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//[old] edition:2015
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//[new] edition:2021
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fn call_this<F>(f: F) : Fn(&str) + call_that {}
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//~^ ERROR return types are denoted using `->`
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//~| ERROR cannot find trait `call_that` in this scope
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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fn main() {}
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