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error[E0261]: use of undeclared lifetime name `'a`
--> $DIR/ice-unexpected-inference-var-122549.rs:5:70
|
LL | fn const_chunks_exact<const N: usize>(&self) -> ConstChunksExact<'a, T, { N }>;
| ^^ undeclared lifetime
|
help: consider introducing lifetime `'a` here
|
LL | fn const_chunks_exact<'a, const N: usize>(&self) -> ConstChunksExact<'a, T, { N }>;
| +++
help: consider introducing lifetime `'a` here
|
LL | trait ConstChunksExactTrait<'a, T> {
| +++
error[E0261]: use of undeclared lifetime name `'a`
--> $DIR/ice-unexpected-inference-var-122549.rs:11:34
|
LL | struct ConstChunksExact<'rem, T: 'a, const N: usize> {}
| - ^^ undeclared lifetime
| |
| help: consider introducing lifetime `'a` here: `'a,`
error[E0046]: not all trait items implemented, missing: `const_chunks_exact`
--> $DIR/ice-unexpected-inference-var-122549.rs:9:1
|
LL | fn const_chunks_exact<const N: usize>(&self) -> ConstChunksExact<'a, T, { N }>;
| ------------------------------------------------------------------------------- `const_chunks_exact` from trait
...
LL | impl<T> ConstChunksExactTrait<T> for [T] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `const_chunks_exact` in implementation
error[E0392]: lifetime parameter `'rem` is never used
--> $DIR/ice-unexpected-inference-var-122549.rs:11:25
|
LL | struct ConstChunksExact<'rem, T: 'a, const N: usize> {}
| ^^^^ unused lifetime parameter
|
= help: consider removing `'rem`, referring to it in a field, or using a marker such as `PhantomData`
error[E0392]: type parameter `T` is never used
--> $DIR/ice-unexpected-inference-var-122549.rs:11:31
|
LL | struct ConstChunksExact<'rem, T: 'a, const N: usize> {}
| ^ unused type parameter
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
error[E0207]: the const parameter `N` is not constrained by the impl trait, self type, or predicates
--> $DIR/ice-unexpected-inference-var-122549.rs:15:13
|
LL | impl<'a, T, const N: usize> Iterator for ConstChunksExact<'a, 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[E0308]: mismatched types
--> $DIR/ice-unexpected-inference-var-122549.rs:15:66
|
LL | impl<'a, T, const N: usize> Iterator for ConstChunksExact<'a, T, {}> {
| ^^ expected `usize`, found `()`
error: aborting due to 7 previous errors
Some errors have detailed explanations: E0046, E0207, E0261, E0308, E0392.
For more information about an error, try `rustc --explain E0046`.
|
