rust/tests/ui/traits/const-traits/call-generic-method-chain.stderr
2024-11-03 18:59:31 +00:00

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error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]`
--> $DIR/call-generic-method-chain.rs:11:12
|
LL | impl const PartialEq for S {
| ^^^^^^^^^
|
= 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` can only be applied to `#[const_trait]` traits
--> $DIR/call-generic-method-chain.rs:20:25
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LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
| ^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/call-generic-method-chain.rs:20:25
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LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
| ^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/call-generic-method-chain.rs:24:33
|
LL | const fn equals_self_wrapper<T: ~const PartialEq>(t: &T) -> bool {
| ^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/call-generic-method-chain.rs:24:33
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LL | const fn equals_self_wrapper<T: ~const PartialEq>(t: &T) -> bool {
| ^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0015]: cannot call non-const operator in constant functions
--> $DIR/call-generic-method-chain.rs:21:5
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LL | *t == *t
| ^^^^^^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: consider further restricting this bound
|
LL | const fn equals_self<T: ~const PartialEq + ~const std::cmp::PartialEq>(t: &T) -> bool {
| ++++++++++++++++++++++++++++
error[E0015]: cannot call non-const fn `<S as PartialEq>::eq` in constant functions
--> $DIR/call-generic-method-chain.rs:16:15
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LL | !self.eq(other)
| ^^^^^^^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0015`.