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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/parser/fn-header-semantic-fail.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/parser/fn-header-semantic-fail.rs')
-rw-r--r-- | src/test/ui/parser/fn-header-semantic-fail.rs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/test/ui/parser/fn-header-semantic-fail.rs b/src/test/ui/parser/fn-header-semantic-fail.rs new file mode 100644 index 000000000..8ff14fb1f --- /dev/null +++ b/src/test/ui/parser/fn-header-semantic-fail.rs @@ -0,0 +1,60 @@ +// Ensures that all `fn` forms can have all the function qualifiers syntactically. + +// edition:2018 + +#![feature(const_extern_fn)] + +fn main() { + async fn ff1() {} // OK. + unsafe fn ff2() {} // OK. + const fn ff3() {} // OK. + extern "C" fn ff4() {} // OK. + const async unsafe extern "C" fn ff5() {} + //~^ ERROR functions cannot be both `const` and `async` + //~| ERROR cycle detected + + trait X { + async fn ft1(); //~ ERROR functions in traits cannot be declared `async` + unsafe fn ft2(); // OK. + const fn ft3(); //~ ERROR functions in traits cannot be declared const + extern "C" fn ft4(); // OK. + const async unsafe extern "C" fn ft5(); + //~^ ERROR functions in traits cannot be declared `async` + //~| ERROR functions in traits cannot be declared const + //~| ERROR functions cannot be both `const` and `async` + } + + struct Y; + impl X for Y { + async fn ft1() {} //~ ERROR functions in traits cannot be declared `async` + //~^ ERROR has an incompatible type for trait + unsafe fn ft2() {} // OK. + const fn ft3() {} //~ ERROR functions in traits cannot be declared const + extern "C" fn ft4() {} + const async unsafe extern "C" fn ft5() {} + //~^ ERROR functions in traits cannot be declared `async` + //~| ERROR functions in traits cannot be declared const + //~| ERROR functions cannot be both `const` and `async` + //~| ERROR cycle detected + //~| ERROR has an incompatible type for trait + } + + impl Y { + async fn fi1() {} // OK. + unsafe fn fi2() {} // OK. + const fn fi3() {} // OK. + extern "C" fn fi4() {} // OK. + const async unsafe extern "C" fn fi5() {} + //~^ ERROR functions cannot be both `const` and `async` + //~| ERROR cycle detected + } + + extern "C" { + async fn fe1(); //~ ERROR functions in `extern` blocks cannot have qualifiers + unsafe fn fe2(); //~ ERROR functions in `extern` blocks cannot have qualifiers + const fn fe3(); //~ ERROR functions in `extern` blocks cannot have qualifiers + extern "C" fn fe4(); //~ ERROR functions in `extern` blocks cannot have qualifiers + const async unsafe extern "C" fn fe5(); //~ ERROR functions in `extern` blocks + //~^ ERROR functions cannot be both `const` and `async` + } +} |