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error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:9:5
|
LL | let Foo(a) = Foo(0);
| - first assignment to `a`
LL | a = 42;
| ^^^^^^ cannot assign twice to immutable variable
|
help: consider making this binding mutable
|
LL | let Foo(mut a) = Foo(0);
| +++
help: to modify the original value, take a borrow instead
|
LL | let Foo(ref mut a) = Foo(0);
| +++++++
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:15:5
|
LL | let Foo(ref a) = Foo(0);
| ----- first assignment to `a`
LL | a = &42;
| ^^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:21:5
|
LL | let Foo(ref mut a) = Foo(0);
| --------- first assignment to `a`
LL | a = &mut 42;
| ^^^^^^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:27:5
|
LL | let Foo(a) = &Foo(0);
| - first assignment to `a`
LL | a = &42;
| ^^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:33:5
|
LL | let Foo(ref a) = &Foo(0);
| ----- first assignment to `a`
LL | a = &42;
| ^^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:39:5
|
LL | let Foo(a) = &mut Foo(0);
| - first assignment to `a`
LL | a = &mut 42;
| ^^^^^^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:45:5
|
LL | let Foo(ref a) = &mut Foo(0);
| ----- first assignment to `a`
LL | a = &42;
| ^^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign twice to immutable variable `a`
--> $DIR/mut-ref-mut-2021.rs:51:5
|
LL | let Foo(ref mut a) = &mut Foo(0);
| --------- first assignment to `a`
LL | a = &mut 42;
| ^^^^^^^^^^^ cannot assign twice to immutable variable
error: aborting due to 8 previous errors
For more information about this error, try `rustc --explain E0384`.
|
