360 lines
14 KiB
Plaintext
360 lines
14 KiB
Plaintext
error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:26:9
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LL | let ref mut a @ ref mut b = U;
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| ---------^^^---------
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:29:9
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LL | let ref mut a @ ref mut b = U;
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| ---------^^^---------
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:33:9
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LL | let ref mut a @ ref mut b = U;
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| ---------^^^---------
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:36:9
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LL | let ref mut a @ ref mut b = U;
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| ---------^^^---------
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:39:9
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LL | let ref mut a @ ref mut b = U;
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| ---------^^^---------
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:44:9
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LL | let ref mut a @ (
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| ^--------
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| |
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| _________value is mutably borrowed by `a` here
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| |
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LL | |
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LL | | ref mut b,
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| | --------- value is mutably borrowed by `b` here
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LL | | [
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LL | | ref mut c,
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| | --------- value is mutably borrowed by `c` here
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LL | | ref mut d,
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| | --------- value is mutably borrowed by `d` here
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LL | | ref e,
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| | ----- value is borrowed by `e` here
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LL | | ]
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LL | | ) = (U, [U, U, U]);
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| |_____^
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:54:9
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LL | let ref mut a @ (
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| ^--------
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| |
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| _________value is mutably borrowed by `a` here
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| |
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LL | |
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LL | | ref mut b,
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| | --------- value is mutably borrowed by `b` here
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LL | | [
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LL | | ref mut c,
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| | --------- value is mutably borrowed by `c` here
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LL | | ref mut d,
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| | --------- value is mutably borrowed by `d` here
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LL | | ref e,
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| | ----- value is borrowed by `e` here
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LL | | ]
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LL | | ) = (u(), [u(), u(), u()]);
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| |_________^
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error: borrow of moved value
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--> $DIR/borrowck-pat-ref-mut-twice.rs:64:9
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LL | let a @ (ref mut b, ref mut c) = (U, U);
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| -^^^^---------^^---------^
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| | | |
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| | | value borrowed here after move
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| | value borrowed here after move
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| value moved into `a` here
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| move occurs because `a` has type `(U, U)` which does not implement the `Copy` trait
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help: borrow this binding in the pattern to avoid moving the value
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LL | let ref a @ (ref mut b, ref mut c) = (U, U);
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| +++
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error: borrow of moved value
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--> $DIR/borrowck-pat-ref-mut-twice.rs:67:9
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LL | let a @ (b, [c, d]) = &mut val; // Same as ^--
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| -^^^^-^^^-^^-^^
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| | | | |
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| | | | value borrowed here after move
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| | | value borrowed here after move
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| | value borrowed here after move
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| value moved into `a` here
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| move occurs because `a` has type `&mut (U, [U; 2])` which does not implement the `Copy` trait
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help: borrow this binding in the pattern to avoid moving the value
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LL | let ref a @ (b, [c, d]) = &mut val; // Same as ^--
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| +++
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error: borrow of moved value
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--> $DIR/borrowck-pat-ref-mut-twice.rs:70:9
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LL | let a @ &mut ref mut b = &mut U;
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| -^^^^^^^^---------
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| | |
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| | value borrowed here after move
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| value moved into `a` here
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| move occurs because `a` has type `&mut U` which does not implement the `Copy` trait
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help: borrow this binding in the pattern to avoid moving the value
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LL | let ref a @ &mut ref mut b = &mut U;
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| +++
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error: borrow of moved value
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--> $DIR/borrowck-pat-ref-mut-twice.rs:72:9
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LL | let a @ &mut (ref mut b, ref mut c) = &mut (U, U);
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| -^^^^^^^^^---------^^---------^
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| | | |
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| | | value borrowed here after move
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| | value borrowed here after move
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| value moved into `a` here
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| move occurs because `a` has type `&mut (U, U)` which does not implement the `Copy` trait
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help: borrow this binding in the pattern to avoid moving the value
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LL | let ref a @ &mut (ref mut b, ref mut c) = &mut (U, U);
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| +++
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:76:9
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:76:37
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:82:9
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:82:37
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:89:9
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:89:37
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:101:9
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:101:37
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| ---------^^^^^^^---------^
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| | |
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:8:11
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LL | fn f1(ref mut a @ ref mut b: U) {}
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| ---------^^^---------
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:10:11
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LL | fn f2(ref mut a @ ref mut b: U) {}
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| ---------^^^---------
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:13:9
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LL | ref mut a @ [
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| ^--------
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| |
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| _________value is mutably borrowed by `a` here
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LL | |
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LL | | [ref b @ .., _],
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| | ---------- value is borrowed by `b` here
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LL | | [_, ref mut mid @ ..],
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| | ---------------- value is mutably borrowed by `mid` here
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LL | | ..,
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LL | | [..],
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LL | | ] : [[U; 4]; 5]
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| |_________^
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error: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:21:22
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LL | fn f4_also_moved(ref mut a @ ref mut b @ c: U) {}
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| ---------^^^-------------
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| | | |
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| | | value is moved into `c` here
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| | value is mutably borrowed by `b` here
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| value is mutably borrowed by `a` here
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error: cannot move out of value because it is borrowed
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--> $DIR/borrowck-pat-ref-mut-twice.rs:21:34
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LL | fn f4_also_moved(ref mut a @ ref mut b @ c: U) {}
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| ---------^^^-
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| | |
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| | value is moved into `c` here
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| value is mutably borrowed by `b` here
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error[E0499]: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:29:9
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LL | let ref mut a @ ref mut b = U;
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| ^^^^^^^^^ --------- first mutable borrow occurs here
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| |
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| second mutable borrow occurs here
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...
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LL | drop(b);
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| - first borrow later used here
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error[E0499]: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:39:9
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LL | let ref mut a @ ref mut b = U;
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| ^^^^^^^^^ --------- first mutable borrow occurs here
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| |
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| second mutable borrow occurs here
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...
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LL | *b = U;
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| ------ first borrow later used here
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error[E0499]: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:89:24
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| --------- ^^^^^^^^^ second mutable borrow occurs here
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| |
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| first mutable borrow occurs here
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...
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LL | *a = Err(U);
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| ----------- first borrow later used here
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error[E0499]: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:89:53
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| --------- ^^^^^^^^^ second mutable borrow occurs here
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| |
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| first mutable borrow occurs here
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...
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LL | *a = Err(U);
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| ----------- first borrow later used here
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error[E0499]: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:101:24
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| --------- ^^^^^^^^^ second mutable borrow occurs here
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| |
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| first mutable borrow occurs here
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...
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LL | drop(a);
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| - first borrow later used here
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error[E0499]: cannot borrow value as mutable more than once at a time
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--> $DIR/borrowck-pat-ref-mut-twice.rs:101:53
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LL | ref mut a @ Ok(ref mut b) | ref mut a @ Err(ref mut b) => {
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| --------- ^^^^^^^^^ second mutable borrow occurs here
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| |
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| first mutable borrow occurs here
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...
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LL | drop(a);
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| - first borrow later used here
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error[E0382]: borrow of moved value
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--> $DIR/borrowck-pat-ref-mut-twice.rs:21:34
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LL | fn f4_also_moved(ref mut a @ ref mut b @ c: U) {}
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| --------- ^^^^^^^^^ - value moved here
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| | |
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| | value borrowed here after move
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| move occurs because value has type `U`, which does not implement the `Copy` trait
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error: aborting due to 31 previous errors
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Some errors have detailed explanations: E0382, E0499.
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For more information about an error, try `rustc --explain E0382`.
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