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|
fn sum<I: Iterator<Item = ()>>(i: I) -> i32 where I::Item = i32 {
//~^ ERROR equality constraints are not yet supported in `where` clauses
panic!()
}
fn sum2<I: Iterator>(i: I) -> i32 where I::Item = i32 {
//~^ ERROR equality constraints are not yet supported in `where` clauses
panic!()
}
fn sum3<J: Iterator>(i: J) -> i32 where I::Item = i32 {
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR failed to resolve: use of undeclared type `I`
panic!()
}
use std::iter::FromIterator;
struct X {}
impl FromIterator<bool> for X {
fn from_iter<T>(_: T) -> Self where T: IntoIterator, IntoIterator::Item = A,
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR cannot find type `A` in this scope
{
todo!()
}
}
struct Y {}
impl FromIterator<bool> for Y {
fn from_iter<T>(_: T) -> Self where T: IntoIterator, T::Item = A,
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR cannot find type `A` in this scope
{
todo!()
}
}
struct Z {}
impl FromIterator<bool> for Z {
fn from_iter<T: IntoIterator>(_: T) -> Self where IntoIterator::Item = A,
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR cannot find type `A` in this scope
{
todo!()
}
}
struct K {}
impl FromIterator<bool> for K {
fn from_iter<T: IntoIterator>(_: T) -> Self where T::Item = A,
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR cannot find type `A` in this scope
{
todo!()
}
}
struct L {}
impl FromIterator<bool> for L {
fn from_iter<T>(_: T) -> Self where IntoIterator::Item = A, T: IntoIterator,
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR cannot find type `A` in this scope
{
todo!()
}
}
struct M {}
impl FromIterator<bool> for M {
fn from_iter<T>(_: T) -> Self where T::Item = A, T: IntoIterator,
//~^ ERROR equality constraints are not yet supported in `where` clauses
//~| ERROR cannot find type `A` in this scope
{
todo!()
}
}
fn main() {}
|
