File: trait-default-body-stability.stderr

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (39 lines) | stat: -rw-r--r-- 1,732 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
error: const `impl` for trait `Try` which is not marked with `#[const_trait]`
  --> $DIR/trait-default-body-stability.rs:18:12
   |
LL | impl const Try for T {
   |            ^^^
   |
   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
   = note: adding a non-const method body in the future would be a breaking change

error: const `impl` for trait `FromResidual` which is not marked with `#[const_trait]`
  --> $DIR/trait-default-body-stability.rs:33:12
   |
LL | impl const FromResidual for T {
   |            ^^^^^^^^^^^^
   |
   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
   = note: adding a non-const method body in the future would be a breaking change

error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
  --> $DIR/trait-default-body-stability.rs:18:6
   |
LL | impl const Try for T {
   |      ^^^^^ unconstrained const parameter
   |
   = note: expressions using a const parameter must map each value to a distinct output value
   = note: proving the result of expressions other than the parameter are unique is not supported

error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
  --> $DIR/trait-default-body-stability.rs:33:6
   |
LL | impl const FromResidual for T {
   |      ^^^^^ unconstrained const parameter
   |
   = note: expressions using a const parameter must map each value to a distinct output value
   = note: proving the result of expressions other than the parameter are unique is not supported

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0207`.