bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/test-utils/src/minicore.rs')
-rw-r--r--crates/test-utils/src/minicore.rs56
1 files changed, 56 insertions, 0 deletions
diff --git a/crates/test-utils/src/minicore.rs b/crates/test-utils/src/minicore.rs
index e9ab066160..29775590ea 100644
--- a/crates/test-utils/src/minicore.rs
+++ b/crates/test-utils/src/minicore.rs
@@ -738,6 +738,30 @@ pub mod ops {
pub struct RangeToInclusive<Idx> {
pub end: Idx,
}
+
+ // region:iterator
+ pub trait Step {}
+ macro_rules! impl_step {
+ ( $( $ty:ty ),* $(,)? ) => {
+ $(
+ impl Step for $ty {}
+ )*
+ };
+ }
+ impl_step!(i8, i16, i32, i64, i128, isize, u8, u16, u32, u64, u128, usize);
+
+ macro_rules! impl_iterator {
+ ( $( $range:ident ),* $(,)? ) => {
+ $(
+ impl<Idx: Step> Iterator for $range<Idx> {
+ type Item = Idx;
+ fn next(&mut self) -> Option<Self::Item> { loop {} }
+ }
+ )*
+ };
+ }
+ impl_iterator!(Range, RangeFrom, RangeTo, RangeInclusive, RangeToInclusive);
+ // endregion:iterator
}
pub use self::range::{Range, RangeFrom, RangeFull, RangeTo};
pub use self::range::{RangeInclusive, RangeToInclusive};
@@ -1292,6 +1316,38 @@ pub mod fmt {
fn fmt(&self, f: &mut Formatter<'_>) -> Result;
}
+ impl<T: ?Sized + Debug> Debug for &T {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result {
+ T::fmt(&**self, f)
+ }
+ }
+ impl<T: ?Sized + Display> Display for &T {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result {
+ T::fmt(&**self, f)
+ }
+ }
+
+ macro_rules! impl_fmt_traits {
+ ( $($ty:ty),* $(,)? ) => {
+ $(
+ impl Debug for $ty {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result { loop {} }
+ }
+ impl Display for $ty {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result { loop {} }
+ }
+ )*
+ }
+ }
+
+ impl_fmt_traits!(str);
+
+ // region:builtin_impls
+ impl_fmt_traits!(
+ i8, i16, i32, i64, i128, isize, u8, u16, u32, u64, u128, usize, f32, f64, bool, char,
+ );
+ // endregion:builtin_impls
+
mod rt {
use super::*;