src/test/ui/feature-gates/feature-gate-cfg-version.rs

   1 #[cfg(version(42))] //~ ERROR: expected a version literal
   2 //~^ ERROR `cfg(version)` is experimental and subject to change
   3 fn foo() {}
   4 #[cfg(version(1.20))] //~ ERROR: expected a version literal
   5 //~^ ERROR `cfg(version)` is experimental and subject to change
   6 fn foo() -> bool { true }
   7 #[cfg(version("1.44"))]
   8 //~^ ERROR `cfg(version)` is experimental and subject to change
   9 fn foo() -> bool { true }
  10 #[cfg(not(version("1.44")))]
  11 //~^ ERROR `cfg(version)` is experimental and subject to change
  12 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
  16 fn bar() -> bool  { false }
  17 #[cfg(version(false))] //~ ERROR: expected a version literal
  18 //~^ ERROR `cfg(version)` is experimental and subject to change
  19 fn bar() -> bool  { false }
  20 #[cfg(version("foo"))] //~ WARNING: unknown version literal format
  21 //~^ ERROR `cfg(version)` is experimental and subject to change
  22 fn bar() -> bool  { false }
  23 #[cfg(version("999"))] //~ WARNING: unknown version literal format
  24 //~^ ERROR `cfg(version)` is experimental and subject to change
  25 fn bar() -> bool  { false }
  26 #[cfg(version("-1"))] //~ WARNING: unknown version literal format
  27 //~^ ERROR `cfg(version)` is experimental and subject to change
  28 fn bar() -> bool  { false }
  29 #[cfg(version("65536"))] //~ WARNING: unknown version literal format
  30 //~^ ERROR `cfg(version)` is experimental and subject to change
  31 fn bar() -> bool  { false }
  32 #[cfg(version("0"))] //~ WARNING: unknown version literal format
  33 //~^ ERROR `cfg(version)` is experimental and subject to change
  34 fn bar() -> bool { true }
  35 #[cfg(version("1.0"))]
  36 //~^ ERROR `cfg(version)` is experimental and subject to change
  37 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
  40 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
  43 fn bar() {}
  44
  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 }