rust/src/test/ui/const-generics/std/const-generics-range.rs

41 lines
1.8 KiB
Rust
Raw Normal View History

// [full] check-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
// `Range` should be usable within const generics:
struct _Range<const R: std::ops::Range<usize>>;
//[min]~^ ERROR `std::ops::Range<usize>` is forbidden as the type of a const generic parameter
const RANGE : _Range<{ 0 .. 1000 }> = _Range;
// `RangeFrom` should be usable within const generics:
struct _RangeFrom<const R: std::ops::RangeFrom<usize>>;
//[min]~^ ERROR `std::ops::RangeFrom<usize>` is forbidden as the type of a const generic parameter
const RANGE_FROM : _RangeFrom<{ 0 .. }> = _RangeFrom;
// `RangeFull` should be usable within const generics:
struct _RangeFull<const R: std::ops::RangeFull>;
//[min]~^ ERROR `std::ops::RangeFull` is forbidden as the type of a const generic parameter
const RANGE_FULL : _RangeFull<{ .. }> = _RangeFull;
// Regression test for #70155
// `RangeInclusive` should be usable within const generics:
struct _RangeInclusive<const R: std::ops::RangeInclusive<usize>>;
//[min]~^ ERROR `std::ops::RangeInclusive<usize>` is forbidden as the type of a const generic
// parameter
const RANGE_INCLUSIVE : _RangeInclusive<{ 0 ..= 999 }> = _RangeInclusive;
// `RangeTo` should be usable within const generics:
struct _RangeTo<const R: std::ops::RangeTo<usize>>;
//[min]~^ ERROR `std::ops::RangeTo<usize>` is forbidden as the type of a const generic parameter
const RANGE_TO : _RangeTo<{ .. 1000 }> = _RangeTo;
// `RangeToInclusive` should be usable within const generics:
struct _RangeToInclusive<const R: std::ops::RangeToInclusive<usize>>;
//[min]~^ ERROR `std::ops::RangeToInclusive<usize>` is forbidden as the type of a const generic
// parameter
const RANGE_TO_INCLUSIVE : _RangeToInclusive<{ ..= 999 }> = _RangeToInclusive;
pub fn main() {}