enum Enum<'a> { | |
A(&'a isize), | |
B(bool), | |
} | |
fn foo() -> isize { | |
let mut n = 42; | |
let mut x = Enum::A(&mut n); | |
match x { | |
Enum::A(_) if { x = Enum::B(false); false } => 1, | |
//~^ ERROR cannot assign `x` in match guard | |
Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1, | |
//~^ ERROR cannot mutably borrow `x` in match guard | |
Enum::A(p) => *p, | |
Enum::B(_) => 2, | |
} | |
} | |
fn main() { | |
foo(); | |
} |