18 lines
501 B
Rust
18 lines
501 B
Rust
// revisions: e2018 e2021
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//[e2018] edition:2018
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//[e2021] edition:2021
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//[e2018] check-pass
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#![crate_type = "lib"]
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#![stable(feature = "foo", since = "1.0.0")]
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#![feature(staged_api)]
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#[stable(feature = "foo", since = "1.0.0")]
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#[rustc_const_stable(feature = "foo", since = "1.0.0")]
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const fn foo() {
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assert!(false);
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assert!(false, "foo");
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panic!({ "foo" });
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//[e2018]~^ WARNING panic message is not a string literal
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//[e2021]~^^ ERROR format argument must be a string literal
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}
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