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.rs18
1 files changed, 15 insertions, 3 deletions
diff --git a/crates/test-utils/src/minicore.rs b/crates/test-utils/src/minicore.rs
index dff6091440..63fd1726cf 100644
--- a/crates/test-utils/src/minicore.rs
+++ b/crates/test-utils/src/minicore.rs
@@ -106,6 +106,11 @@ pub mod marker {
impl<T: ?Sized> Copy for &T {}
}
// endregion:copy
+
+ // region:fn
+ #[lang = "tuple_trait"]
+ pub trait Tuple {}
+ // endregion:fn
}
// region:default
@@ -329,19 +334,26 @@ pub mod ops {
// region:fn
mod function {
+ use crate::marker::Tuple;
+
#[lang = "fn"]
#[fundamental]
- pub trait Fn<Args>: FnMut<Args> {}
+ pub trait Fn<Args: Tuple>: FnMut<Args> {
+ extern "rust-call" fn call(&self, args: Args) -> Self::Output;
+ }
#[lang = "fn_mut"]
#[fundamental]
- pub trait FnMut<Args>: FnOnce<Args> {}
+ pub trait FnMut<Args: Tuple>: FnOnce<Args> {
+ extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output;
+ }
#[lang = "fn_once"]
#[fundamental]
- pub trait FnOnce<Args> {
+ pub trait FnOnce<Args: Tuple> {
#[lang = "fn_once_output"]
type Output;
+ extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
}
}
pub use self::function::{Fn, FnMut, FnOnce};