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.rs73
1 files changed, 68 insertions, 5 deletions
diff --git a/crates/test-utils/src/minicore.rs b/crates/test-utils/src/minicore.rs
index c693235f34..8b831bdcef 100644
--- a/crates/test-utils/src/minicore.rs
+++ b/crates/test-utils/src/minicore.rs
@@ -766,6 +766,38 @@ pub mod fmt {
pub struct Error;
pub type Result = Result<(), Error>;
pub struct Formatter<'a>;
+ pub struct DebugTuple;
+ pub struct DebugStruct;
+ impl Formatter<'_> {
+ pub fn debug_tuple(&mut self, name: &str) -> DebugTuple {
+ DebugTuple
+ }
+
+ pub fn debug_struct(&mut self, name: &str) -> DebugStruct {
+ DebugStruct
+ }
+ }
+
+ impl DebugTuple {
+ pub fn field(&mut self, value: &dyn Debug) -> &mut Self {
+ self
+ }
+
+ pub fn finish(&mut self) -> Result {
+ Ok(())
+ }
+ }
+
+ impl DebugStruct {
+ pub fn field(&mut self, name: &str, value: &dyn Debug) -> &mut Self {
+ self
+ }
+
+ pub fn finish(&mut self) -> Result {
+ Ok(())
+ }
+ }
+
pub trait Debug {
fn fmt(&self, f: &mut Formatter<'_>) -> Result;
}
@@ -777,6 +809,39 @@ pub mod fmt {
#[rustc_builtin_macro]
pub macro Debug($item:item) {}
// endregion:derive
+
+ // region:builtin_impls
+ macro_rules! impl_debug {
+ ($($t:ty)*) => {
+ $(
+ impl const Debug for $t {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result {
+ Ok(())
+ }
+ }
+ )*
+ }
+ }
+
+ impl_debug! {
+ usize u8 u16 u32 u64 u128
+ isize i8 i16 i32 i64 i128
+ f32 f64
+ bool char
+ }
+
+ impl<T: Debug> Debug for [T] {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result {
+ Ok(())
+ }
+ }
+
+ impl<T: Debug + ?Sized> Debug for &T {
+ fn fmt(&self, f: &mut Formatter<'_>) -> Result {
+ (&**self).fmt(f)
+ }
+ }
+ // endregion:builtin_impls
}
// endregion:fmt
@@ -1075,10 +1140,8 @@ pub mod iter {
// region:panic
mod panic {
- pub macro panic_2021 {
- ($($t:tt)+) => (
- /* Nothing yet */
- ),
+ pub macro panic_2021($($t:tt)+) {
+ /* Nothing yet */
}
}
// endregion:panic
@@ -1158,8 +1221,8 @@ pub mod prelude {
ops::Drop, // :drop
ops::{Fn, FnMut, FnOnce}, // :fn
option::Option::{self, None, Some}, // :option
- result::Result::{self, Err, Ok}, // :result
panic, // :panic
+ result::Result::{self, Err, Ok}, // :result
};
}