| fn main() { | |
| let foo = Some(0); | |
| let bar = None; | |
| while Some(x) = foo {} //~ ERROR cannot find value `x` in this scope | |
| while Some(foo) = bar {} //~ ERROR mismatched types | |
| while 3 = foo {} //~ ERROR mismatched types | |
| while Some(3) = foo {} //~ ERROR invalid left-hand side of assignment | |
| while x = 5 {} //~ ERROR cannot find value `x` in this scope | |
| } |