error[E0506]: cannot assign to `vec[..]` because it is borrowed --> $DIR/borrowck-vec-pattern-nesting.rs:10:13 | LL | [box ref _a, _, _] => { | ------ borrow of `vec[..]` occurs here LL | LL | vec[0] = box 4; | ^^^^^^^^^^^^^^ assignment to borrowed `vec[..]` occurs here error[E0506]: cannot assign to `vec[..]` because it is borrowed --> $DIR/borrowck-vec-pattern-nesting.rs:23:13 | LL | &mut [ref _b..] => { | ------ borrow of `vec[..]` occurs here LL | LL | vec[0] = box 4; | ^^^^^^^^^^^^^^ assignment to borrowed `vec[..]` occurs here error[E0508]: cannot move out of type `[std::boxed::Box]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:34:14 | LL | &mut [_a, | ^-- hint: to prevent move, use `ref _a` or `ref mut _a` | ______________| | | LL | | LL | | LL | | .. LL | | ] => { | |_________^ cannot move out of here error[E0508]: cannot move out of type `[std::boxed::Box]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:47:13 | LL | let a = vec[0]; | ^^^^^^ | | | cannot move out of here | help: consider using a reference instead: `&vec[0]` error[E0508]: cannot move out of type `[std::boxed::Box]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:55:14 | LL | &mut [ | ______________^ LL | | LL | | _b] => {} | |__________--^ cannot move out of here | | | hint: to prevent move, use `ref _b` or `ref mut _b` error[E0508]: cannot move out of type `[std::boxed::Box]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:60:13 | LL | let a = vec[0]; | ^^^^^^ | | | cannot move out of here | help: consider using a reference instead: `&vec[0]` error[E0508]: cannot move out of type `[std::boxed::Box]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:68:14 | LL | &mut [_a, _b, _c] => {} | ^--^^--^^--^ | || | | | || | ...and here (use `ref _c` or `ref mut _c`) | || ...and here (use `ref _b` or `ref mut _b`) | |hint: to prevent move, use `ref _a` or `ref mut _a` | cannot move out of here error[E0508]: cannot move out of type `[std::boxed::Box]`, a non-copy slice --> $DIR/borrowck-vec-pattern-nesting.rs:72:13 | LL | let a = vec[0]; | ^^^^^^ | | | cannot move out of here | help: consider using a reference instead: `&vec[0]` error: aborting due to 8 previous errors Some errors occurred: E0506, E0508. For more information about an error, try `rustc --explain E0506`.