diff options
Diffstat (limited to 'src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-inside.rs')
| -rw-r--r-- | src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-inside.rs | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-inside.rs b/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-inside.rs deleted file mode 100644 index ebb1683af7d..00000000000 --- a/src/test/ui/pattern/move-ref-patterns/move-ref-patterns-closure-captures-inside.rs +++ /dev/null @@ -1,120 +0,0 @@ -fn main() { - struct S; // Not `Copy`. - - let mut tup0 = (S, S); - let mut tup1 = (S, S, S); - let tup2 = (S, S); - let tup3 = (S, S, S); - let tup4 = (S, S); - let mut arr0 = [S, S, S]; - let mut arr1 = [S, S, S, S, S]; - let arr2 = [S, S, S]; - let arr3 = [S, S, S, S, S]; - - // The `mov` bindings require that we capture the scrutinees by-move. - let mut closure = || { - // Tuples... - let (ref mut borrow, mov) = tup0; - let (mov, _, ref mut borrow) = tup1; - let (ref borrow, mov) = tup2; - let (mov, _, ref borrow) = tup3; - let (ref borrow, mov) = tup4; - // Arrays... - let [mov @ .., ref borrow] = arr0; - let [_, ref mut borrow @ .., _, mov] = arr1; - let [mov @ .., ref borrow] = arr2; - let [_, ref borrow @ .., _, mov] = arr3; - }; - - // Now we try to borrow and move the captures, which should result in errors... - // ...for tuples: - drop(&tup0); //~ ERROR borrow of moved value: `tup0` - drop(&tup1); //~ ERROR borrow of moved value: `tup1` - drop(&tup2); //~ ERROR borrow of moved value: `tup2` - drop(&tup3); //~ ERROR borrow of moved value: `tup3` - // Ostensibly this should compile. - // However, because closures don't capture individual fields, which is changed in RFC 2229, - // this won't compile because the entire product is moved into the closure. - // The same applies to the array patterns below. - drop(&tup4.0); //~ ERROR borrow of moved value: `tup4` - // ...for arrays: - drop(&arr0); //~ ERROR borrow of moved value: `arr0` - let [_, mov1, mov2, mov3, _] = &arr1; //~ ERROR borrow of moved value: `arr1` - drop(&arr2); //~ ERROR borrow of moved value: `arr2` - let [_, mov1, mov2, mov3, _] = &arr3; //~ ERROR borrow of moved value: `arr3` - - // Let's redo ^--- with a `match` + sum type: - macro_rules! m { - ($p:pat = $s:expr) => { - match $s { - Some($p) => {} - _ => {} - } - }; - } - let mut tup0: Option<(S, S)> = None; - let mut tup1: Option<(S, S, S)> = None; - let tup2: Option<(S, S)> = None; - let tup3: Option<(S, S, S)> = None; - let tup4: Option<(S, S)> = None; - let mut arr0: Option<[S; 3]> = None; - let mut arr1: Option<[S; 5]> = None; - let arr2: Option<[S; 3]> = None; - let arr3: Option<[S; 5]> = None; - let mut closure = || { - m!((ref mut borrow, mov) = tup0); - m!((mov, _, ref mut borrow) = tup1); - m!((ref borrow, mov) = tup2); - m!((mov, _, ref borrow) = tup3); - m!((ref borrow, mov) = tup4); - m!([mov @ .., ref borrow] = arr0); - m!([_, ref mut borrow @ .., _, mov] = arr1); - m!([mov @ .., ref borrow] = arr2); - m!([_, ref borrow @ .., _, mov] = arr3); - }; - drop(&tup0); //~ ERROR borrow of moved value: `tup0` - drop(&tup1); //~ ERROR borrow of moved value: `tup1` - drop(&tup2); //~ ERROR borrow of moved value: `tup2` - drop(&tup3); //~ ERROR borrow of moved value: `tup3` - m!((ref x, _) = &tup4); //~ ERROR borrow of moved value: `tup4` - drop(&arr0); //~ ERROR borrow of moved value: `arr0` - m!([_, mov1, mov2, mov3, _] = &arr1); //~ ERROR borrow of moved value: `arr1` - drop(&arr2); //~ ERROR borrow of moved value: `arr2` - m!([_, mov1, mov2, mov3, _] = &arr3); //~ ERROR borrow of moved value: `arr3` - - // Let's redo ^--- with `if let` (which may diverge from `match` in the future): - macro_rules! m { - ($p:pat = $s:expr) => { - if let Some($p) = $s {} - }; - } - let mut tup0: Option<(S, S)> = None; - let mut tup1: Option<(S, S, S)> = None; - let tup2: Option<(S, S)> = None; - let tup3: Option<(S, S, S)> = None; - let tup4: Option<(S, S)> = None; - let mut arr0: Option<[S; 3]> = None; - let mut arr1: Option<[S; 5]> = None; - let arr2: Option<[S; 3]> = None; - let arr3: Option<[S; 5]> = None; - let mut closure = || { - m!((ref mut borrow, mov) = tup0); - m!((mov, _, ref mut borrow) = tup1); - m!((ref borrow, mov) = tup2); - m!((mov, _, ref borrow) = tup3); - m!((ref borrow, mov) = tup4); - m!([mov @ .., ref borrow] = arr0); - m!([_, ref mut borrow @ .., _, mov] = arr1); - m!([mov @ .., ref borrow] = arr2); - m!([_, ref borrow @ .., _, mov] = arr3); - }; - drop(&tup0); //~ ERROR borrow of moved value: `tup0` - drop(&tup1); //~ ERROR borrow of moved value: `tup1` - drop(&tup2); //~ ERROR borrow of moved value: `tup2` - drop(&tup3); //~ ERROR borrow of moved value: `tup3` - m!((ref x, _) = &tup4); //~ ERROR borrow of moved value: `tup4` - drop(&arr0); //~ ERROR borrow of moved value: `arr0` - m!([_, mov1, mov2, mov3, _] = &arr1); //~ ERROR borrow of moved value: `arr1` - drop(&arr2); //~ ERROR borrow of moved value: `arr2` - m!([_, mov1, mov2, mov3, _] = &arr3); //~ ERROR borrow of moved value: `arr3` -} |