1 #[cfg(version(42))] //~ ERROR: expected a version literal
2 //~^ ERROR `cfg(version)` is experimental and subject to change
foo()3 fn foo() {}
4 #[cfg(version(1.20))] //~ ERROR: expected a version literal
5 //~^ ERROR `cfg(version)` is experimental and subject to change
foo() -> bool6 fn foo() -> bool { true }
7 #[cfg(version("1.44"))]
8 //~^ ERROR `cfg(version)` is experimental and subject to change
foo() -> bool9 fn foo() -> bool { true }
10 #[cfg(not(version("1.44")))]
11 //~^ ERROR `cfg(version)` is experimental and subject to change
foo() -> bool12 fn foo() -> bool { false }
13
14 #[cfg(version("1.43", "1.44", "1.45"))] //~ ERROR: expected single version literal
15 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool16 fn bar() -> bool { false }
17 #[cfg(version(false))] //~ ERROR: expected a version literal
18 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool19 fn bar() -> bool { false }
20 #[cfg(version("foo"))] //~ WARNING: unknown version literal format
21 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool22 fn bar() -> bool { false }
23 #[cfg(version("999"))] //~ WARNING: unknown version literal format
24 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool25 fn bar() -> bool { false }
26 #[cfg(version("-1"))] //~ WARNING: unknown version literal format
27 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool28 fn bar() -> bool { false }
29 #[cfg(version("65536"))] //~ WARNING: unknown version literal format
30 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool31 fn bar() -> bool { false }
32 #[cfg(version("0"))] //~ WARNING: unknown version literal format
33 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool34 fn bar() -> bool { true }
35 #[cfg(version("1.0"))]
36 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool37 fn bar() -> bool { true }
38 #[cfg(version("1.65536.2"))] //~ WARNING: unknown version literal format
39 //~^ ERROR `cfg(version)` is experimental and subject to change
bar() -> bool40 fn bar() -> bool { false }
41 #[cfg(version("1.20.0-stable"))] //~ WARNING: unknown version literal format
42 //~^ ERROR `cfg(version)` is experimental and subject to change
bar()43 fn bar() {}
44
main()45 fn main() {
46 assert!(foo());
47 assert!(bar());
48 assert!(cfg!(version("1.42"))); //~ ERROR `cfg(version)` is experimental and subject to change
49 }
50