4 if Some(x) = foo {} //~ ERROR cannot find value `x` in this scope
5 //~^ ERROR mismatched types
6 if Some(foo) = bar {} //~ ERROR mismatched types
7 if 3 = foo {} //~ ERROR mismatched types
8 if Some(3) = foo {} //~ ERROR mismatched types
9 //~^ ERROR invalid left-hand side of assignment
10 if x = 5 {} //~ ERROR cannot find value `x` in this scope