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362 lines
11 KiB
Plaintext
362 lines
11 KiB
Plaintext
error[E0594]: cannot assign to `*x`, which is behind a `&` reference
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--> $DIR/mutability-errors.rs:9:5
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LL | *x = (1,);
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| ^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be written
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help: consider changing this to be a mutable reference
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LL | fn named_ref(x: &mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0594]: cannot assign to `x.0`, which is behind a `&` reference
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--> $DIR/mutability-errors.rs:10:5
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LL | x.0 = 1;
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| ^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be written
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help: consider changing this to be a mutable reference
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LL | fn named_ref(x: &mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
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--> $DIR/mutability-errors.rs:11:5
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LL | &mut *x;
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| ^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable reference
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LL | fn named_ref(x: &mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0596]: cannot borrow `x.0` as mutable, as it is behind a `&` reference
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--> $DIR/mutability-errors.rs:12:5
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LL | &mut x.0;
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| ^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable reference
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LL | fn named_ref(x: &mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0594]: cannot assign to data in a `&` reference
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--> $DIR/mutability-errors.rs:16:5
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LL | *f() = (1,);
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| ^^^^^^^^^^^ cannot assign
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error[E0594]: cannot assign to data in a `&` reference
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--> $DIR/mutability-errors.rs:17:5
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LL | f().0 = 1;
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| ^^^^^^^^^ cannot assign
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error[E0596]: cannot borrow data in a `&` reference as mutable
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--> $DIR/mutability-errors.rs:18:5
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LL | &mut *f();
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| ^^^^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow data in a `&` reference as mutable
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--> $DIR/mutability-errors.rs:19:5
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LL | &mut f().0;
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| ^^^^^^^^^^ cannot borrow as mutable
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error[E0594]: cannot assign to `*x`, which is behind a `*const` pointer
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--> $DIR/mutability-errors.rs:23:5
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LL | *x = (1,);
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| ^^^^^^^^^ `x` is a `*const` pointer, so the data it refers to cannot be written
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help: consider changing this to be a mutable pointer
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LL | unsafe fn named_ptr(x: *mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0594]: cannot assign to `x.0`, which is behind a `*const` pointer
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--> $DIR/mutability-errors.rs:24:5
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LL | (*x).0 = 1;
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| ^^^^^^^^^^ `x` is a `*const` pointer, so the data it refers to cannot be written
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help: consider changing this to be a mutable pointer
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LL | unsafe fn named_ptr(x: *mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0596]: cannot borrow `*x` as mutable, as it is behind a `*const` pointer
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--> $DIR/mutability-errors.rs:25:5
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LL | &mut *x;
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| ^^^^^^^ `x` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable pointer
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LL | unsafe fn named_ptr(x: *mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0596]: cannot borrow `x.0` as mutable, as it is behind a `*const` pointer
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--> $DIR/mutability-errors.rs:26:5
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LL | &mut (*x).0;
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| ^^^^^^^^^^^ `x` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable pointer
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LL | unsafe fn named_ptr(x: *mut (i32,)) {
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| ~~~~~~~~~~~
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error[E0594]: cannot assign to data in a `*const` pointer
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--> $DIR/mutability-errors.rs:30:5
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LL | *f() = (1,);
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| ^^^^^^^^^^^ cannot assign
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error[E0594]: cannot assign to data in a `*const` pointer
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--> $DIR/mutability-errors.rs:31:5
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LL | (*f()).0 = 1;
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| ^^^^^^^^^^^^ cannot assign
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error[E0596]: cannot borrow data in a `*const` pointer as mutable
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--> $DIR/mutability-errors.rs:32:5
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LL | &mut *f();
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| ^^^^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow data in a `*const` pointer as mutable
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--> $DIR/mutability-errors.rs:33:5
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LL | &mut (*f()).0;
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| ^^^^^^^^^^^^^ cannot borrow as mutable
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error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure
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--> $DIR/mutability-errors.rs:40:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(|| {
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| ------ -- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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LL | x = (1,);
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| ^^^^^^^^ cannot assign
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error[E0594]: cannot assign to `x.0`, as `Fn` closures cannot mutate their captured variables
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--> $DIR/mutability-errors.rs:41:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(|| {
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| ------ -- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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LL | x = (1,);
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LL | x.0 = 1;
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| ^^^^^^^ cannot assign
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error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
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--> $DIR/mutability-errors.rs:42:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(|| {
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| ------ -- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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...
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LL | &mut x;
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| ^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow `x.0` as mutable, as `Fn` closures cannot mutate their captured variables
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--> $DIR/mutability-errors.rs:43:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(|| {
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| ------ -- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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...
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LL | &mut x.0;
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| ^^^^^^^^ cannot borrow as mutable
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error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure
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--> $DIR/mutability-errors.rs:46:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(move || {
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| ------ ------- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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LL | x = (1,);
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| ^^^^^^^^ cannot assign
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error[E0594]: cannot assign to `x.0`, as `Fn` closures cannot mutate their captured variables
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--> $DIR/mutability-errors.rs:47:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(move || {
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| ------ ------- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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LL | x = (1,);
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LL | x.0 = 1;
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| ^^^^^^^ cannot assign
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error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
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--> $DIR/mutability-errors.rs:48:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(move || {
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| ------ ------- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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...
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LL | &mut x;
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| ^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow `x.0` as mutable, as `Fn` closures cannot mutate their captured variables
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--> $DIR/mutability-errors.rs:49:9
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LL | fn fn_ref<F: Fn()>(f: F) -> F { f }
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| - change this to accept `FnMut` instead of `Fn`
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...
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LL | fn_ref(move || {
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| ------ ------- in this closure
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| |
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| expects `Fn` instead of `FnMut`
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...
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LL | &mut x.0;
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| ^^^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
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--> $DIR/mutability-errors.rs:53:14
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LL | fn imm_local(x: (i32,)) {
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| ^ not mutable
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LL | &mut x;
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| ------ cannot borrow as mutable
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LL | &mut x.0;
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| -------- cannot borrow as mutable
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help: consider changing this to be mutable
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LL | fn imm_local(mut x: (i32,)) {
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| +++
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error[E0594]: cannot assign to `x`, as it is not declared as mutable
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--> $DIR/mutability-errors.rs:60:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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LL | || {
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LL | x = (1,);
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| ^^^^^^^^ cannot assign
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error[E0594]: cannot assign to `x.0`, as `x` is not declared as mutable
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--> $DIR/mutability-errors.rs:61:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | x.0 = 1;
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| ^^^^^^^ cannot assign
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error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
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--> $DIR/mutability-errors.rs:62:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | &mut x;
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| ^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow `x.0` as mutable, as `x` is not declared as mutable
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--> $DIR/mutability-errors.rs:63:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | &mut x.0;
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| ^^^^^^^^ cannot borrow as mutable
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error[E0594]: cannot assign to `x`, as it is not declared as mutable
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--> $DIR/mutability-errors.rs:66:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | x = (1,);
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| ^^^^^^^^ cannot assign
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error[E0594]: cannot assign to `x.0`, as `x` is not declared as mutable
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--> $DIR/mutability-errors.rs:67:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | x.0 = 1;
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| ^^^^^^^ cannot assign
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error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
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--> $DIR/mutability-errors.rs:68:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | &mut x;
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| ^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow `x.0` as mutable, as `x` is not declared as mutable
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--> $DIR/mutability-errors.rs:69:9
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LL | fn imm_capture(x: (i32,)) {
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| - help: consider changing this to be mutable: `mut x`
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...
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LL | &mut x.0;
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| ^^^^^^^^ cannot borrow as mutable
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error[E0594]: cannot assign to immutable static item `X`
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--> $DIR/mutability-errors.rs:76:5
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LL | X = (1,);
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| ^^^^^^^^ cannot assign
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error[E0594]: cannot assign to `X.0`, as `X` is an immutable static item
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--> $DIR/mutability-errors.rs:77:5
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LL | X.0 = 1;
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| ^^^^^^^ cannot assign
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error[E0596]: cannot borrow immutable static item `X` as mutable
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--> $DIR/mutability-errors.rs:78:5
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LL | &mut X;
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| ^^^^^^ cannot borrow as mutable
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error[E0596]: cannot borrow `X.0` as mutable, as `X` is an immutable static item
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--> $DIR/mutability-errors.rs:79:5
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LL | &mut X.0;
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| ^^^^^^^^ cannot borrow as mutable
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error: aborting due to 37 previous errors
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Some errors have detailed explanations: E0594, E0596.
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For more information about an error, try `rustc --explain E0594`.
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