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|
// Test that immutable pattern bindings cannot be reassigned.
enum E {
Foo(isize)
}
struct S {
bar: isize,
}
pub fn main() {
match 1 {
x => {
x += 1; //~ ERROR [E0384]
}
}
match E::Foo(1) {
E::Foo(x) => {
x += 1; //~ ERROR [E0384]
}
}
match (S { bar: 1 }) {
S { bar: x } => {
x += 1; //~ ERROR [E0384]
}
}
match (1,) {
(x,) => {
x += 1; //~ ERROR [E0384]
}
}
match [1,2,3] {
[x,_,_] => {
x += 1; //~ ERROR [E0384]
}
}
}
|
