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.rs49
1 files changed, 49 insertions, 0 deletions
diff --git a/crates/test-utils/src/minicore.rs b/crates/test-utils/src/minicore.rs
index 3b033e1aae..93ff76a040 100644
--- a/crates/test-utils/src/minicore.rs
+++ b/crates/test-utils/src/minicore.rs
@@ -510,6 +510,7 @@ pub mod fmt {
pub mod slice {
#[lang = "slice"]
impl<T> [T] {
+ #[lang = "slice_len_fn"]
pub fn len(&self) -> usize {
loop {}
}
@@ -533,6 +534,40 @@ pub mod option {
None => panic!("called `Option::unwrap()` on a `None` value"),
}
}
+
+ pub fn and<U>(self, optb: Option<U>) -> Option<U> {
+ loop {}
+ }
+ pub fn unwrap_or(self, default: T) -> T {
+ loop {}
+ }
+ // region:fn
+ pub fn and_then<U, F>(self, f: F) -> Option<U>
+ where
+ F: FnOnce(T) -> Option<U>,
+ {
+ loop {}
+ }
+ pub fn unwrap_or_else<F>(self, f: F) -> T
+ where
+ F: FnOnce() -> T,
+ {
+ loop {}
+ }
+ pub fn map_or<U, F>(self, default: U, f: F) -> U
+ where
+ F: FnOnce(T) -> U,
+ {
+ loop {}
+ }
+ pub fn map_or_else<U, D, F>(self, default: D, f: F) -> U
+ where
+ D: FnOnce() -> U,
+ F: FnOnce(T) -> U,
+ {
+ loop {}
+ }
+ // endregion:fn
}
}
// endregion:option
@@ -727,6 +762,20 @@ pub mod iter {
self
}
}
+ pub struct IntoIter<T, const N: usize>([T; N]);
+ impl<T, const N: usize> IntoIterator for [T; N] {
+ type Item = T;
+ type IntoIter = IntoIter<T, N>;
+ fn into_iter(self) -> I {
+ IntoIter(self)
+ }
+ }
+ impl<T, const N: usize> Iterator for IntoIter<T, N> {
+ type Item = T;
+ fn next(&mut self) -> Option<T> {
+ loop {}
+ }
+ }
}
pub use self::collect::IntoIterator;
}