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|
fn foo<const C: usize>() {}
const BAR: usize = 42;
fn a() {
foo::<BAR + 3>(); //~ ERROR expected one of
}
fn b() {
// FIXME(const_generics): these diagnostics are awful, because trait objects without `dyn` were
// a terrible mistake.
foo::<BAR + BAR>();
//~^ ERROR expected trait, found constant `BAR`
//~| ERROR expected trait, found constant `BAR`
//~| ERROR type provided when a constant was expected
}
fn c() {
foo::<3 + 3>(); //~ ERROR expressions must be enclosed in braces
}
fn d() {
foo::<BAR - 3>(); //~ ERROR expected one of
}
fn e() {
foo::<BAR - BAR>(); //~ ERROR expected one of
}
fn f() {
foo::<100 - BAR>(); //~ ERROR expressions must be enclosed in braces
}
fn g() {
foo::<bar<i32>()>(); //~ ERROR expected one of
}
fn h() {
foo::<bar::<i32>()>(); //~ ERROR expected one of
}
fn i() {
foo::<bar::<i32>() + BAR>(); //~ ERROR expected one of
}
fn j() {
foo::<bar::<i32>() - BAR>(); //~ ERROR expected one of
}
fn k() {
foo::<BAR - bar::<i32>()>(); //~ ERROR expected one of
}
fn l() {
foo::<BAR - bar::<i32>()>(); //~ ERROR expected one of
}
const fn bar<const C: usize>() -> usize {
C
}
fn main() {}
|
