rust/src/test/compile-fail/borrowck-vec-pattern-nesting.rs
Alex Crichton daf5f5a4d1 Drop the '2' suffix from logging macros
Who doesn't like a massive renaming?
2013-10-22 08:09:56 -07:00

57 lines
1.2 KiB
Rust

fn a() {
let mut vec = ~[~1, ~2, ~3];
match vec {
[~ref _a] => {
vec[0] = ~4; //~ ERROR cannot assign to `(*vec)[]` because it is borrowed
}
_ => fail!("foo")
}
}
fn b() {
let mut vec = ~[~1, ~2, ~3];
match vec {
[.._b] => {
vec[0] = ~4; //~ ERROR cannot assign to `(*vec)[]` because it is borrowed
}
}
}
fn c() {
let mut vec = ~[~1, ~2, ~3];
match vec {
[_a, .._b] => {
//~^ ERROR cannot move out
// Note: `_a` is *moved* here, but `b` is borrowing,
// hence illegal.
//
// See comment in middle/borrowck/gather_loans/mod.rs
// in the case covering these sorts of vectors.
}
_ => {}
}
let a = vec[0]; //~ ERROR use of partially moved value: `vec`
}
fn d() {
let mut vec = ~[~1, ~2, ~3];
match vec {
[.._a, _b] => {
//~^ ERROR cannot move out
}
_ => {}
}
let a = vec[0]; //~ ERROR use of partially moved value: `vec`
}
fn e() {
let mut vec = ~[~1, ~2, ~3];
match vec {
[_a, _b, _c] => {}
_ => {}
}
let a = vec[0]; //~ ERROR use of partially moved value: `vec`
}
fn main() {}