user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Do not suggest to derive Default on generics with implicit arguments

Browse source
This commit is contained in:
Samuel Tardieu 2023-02-25 15:49:59 +01:00
parent 149392b0ba
commit c82ff00539
3 changed files with 87 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

37
tests/ui/derivable_impls.fixed
View file

@ -231,4 +231,41 @@ impl Default for NonExhaustiveEnum {
}
}
// https://github.com/rust-lang/rust-clippy/issues/10396
#[derive(Default)]
struct DefaultType;
struct GenericType<T = DefaultType> {
t: T,
}
impl Default for GenericType {
fn default() -> Self {
Self { t: Default::default() }
}
}
struct InnerGenericType<T> {
t: T,
}
impl Default for InnerGenericType<DefaultType> {
fn default() -> Self {
Self { t: Default::default() }
}
}
struct OtherGenericType<T = DefaultType> {
inner: InnerGenericType<T>,
}
impl Default for OtherGenericType {
fn default() -> Self {
Self {
inner: Default::default(),
}
}
}
fn main() {}

37
tests/ui/derivable_impls.rs
View file

@ -267,4 +267,41 @@ impl Default for NonExhaustiveEnum {
}
}
// https://github.com/rust-lang/rust-clippy/issues/10396
#[derive(Default)]
struct DefaultType;
struct GenericType<T = DefaultType> {
t: T,
}
impl Default for GenericType {
fn default() -> Self {
Self { t: Default::default() }
}
}
struct InnerGenericType<T> {
t: T,
}
impl Default for InnerGenericType<DefaultType> {
fn default() -> Self {
Self { t: Default::default() }
}
}
struct OtherGenericType<T = DefaultType> {
inner: InnerGenericType<T>,
}
impl Default for OtherGenericType {
fn default() -> Self {
Self {
inner: Default::default(),
}
}
}
fn main() {}