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|
use std::collections::HashMap;
struct FooDefault<'a> {
a: bool,
b: i32,
c: u64,
d: Vec<i32>,
e: FooND1,
f: FooND2,
g: HashMap<i32, i32>,
h: (i32, Vec<i32>),
i: [Vec<i32>; 3],
j: [i32; 5],
k: Option<i32>,
l: &'a [i32],
}
impl std::default::Default for FooDefault<'_> {
fn default() -> Self {
Self {
a: false,
b: 0,
c: 0u64,
d: vec![],
e: Default::default(),
f: FooND2::default(),
g: HashMap::new(),
h: (0, vec![]),
i: [vec![], vec![], vec![]],
j: [0; 5],
k: None,
l: &[],
}
}
}
struct TupleDefault(bool, i32, u64);
impl std::default::Default for TupleDefault {
fn default() -> Self {
Self(false, 0, 0u64)
}
}
struct FooND1 {
a: bool,
}
impl std::default::Default for FooND1 {
fn default() -> Self {
Self { a: true }
}
}
struct FooND2 {
a: i32,
}
impl std::default::Default for FooND2 {
fn default() -> Self {
Self { a: 5 }
}
}
struct FooNDNew {
a: bool,
}
impl FooNDNew {
fn new() -> Self {
Self { a: true }
}
}
impl Default for FooNDNew {
fn default() -> Self {
Self::new()
}
}
struct FooNDVec(Vec<i32>);
impl Default for FooNDVec {
fn default() -> Self {
Self(vec![5, 12])
}
}
struct StrDefault<'a>(&'a str);
impl Default for StrDefault<'_> {
fn default() -> Self {
Self("")
}
}
#[derive(Default)]
struct AlreadyDerived(i32, bool);
macro_rules! mac {
() => {
0
};
($e:expr) => {
struct X(u32);
impl Default for X {
fn default() -> Self {
Self($e)
}
}
};
}
mac!(0);
struct Y(u32);
impl Default for Y {
fn default() -> Self {
Self(mac!())
}
}
struct RustIssue26925<T> {
a: Option<T>,
}
// We should watch out for cases where a manual impl is needed because a
// derive adds different type bounds (https://github.com/rust-lang/rust/issues/26925).
// For example, a struct with Option<T> does not require T: Default, but a derive adds
// that type bound anyways. So until #26925 get fixed we should disable lint
// for the following case
impl<T> Default for RustIssue26925<T> {
fn default() -> Self {
Self { a: None }
}
}
struct SpecializedImpl<A, B> {
a: A,
b: B,
}
impl<T: Default> Default for SpecializedImpl<T, T> {
fn default() -> Self {
Self {
a: T::default(),
b: T::default(),
}
}
}
struct WithoutSelfCurly {
a: bool,
}
impl Default for WithoutSelfCurly {
fn default() -> Self {
WithoutSelfCurly { a: false }
}
}
struct WithoutSelfParan(bool);
impl Default for WithoutSelfParan {
fn default() -> Self {
WithoutSelfParan(false)
}
}
// https://github.com/rust-lang/rust-clippy/issues/7655
pub struct SpecializedImpl2<T> {
v: Vec<T>,
}
impl Default for SpecializedImpl2<String> {
fn default() -> Self {
Self { v: Vec::new() }
}
}
// https://github.com/rust-lang/rust-clippy/issues/7654
pub struct Color {
pub r: u8,
pub g: u8,
pub b: u8,
}
/// `#000000`
impl Default for Color {
fn default() -> Self {
Color { r: 0, g: 0, b: 0 }
}
}
pub struct Color2 {
pub r: u8,
pub g: u8,
pub b: u8,
}
impl Default for Color2 {
/// `#000000`
fn default() -> Self {
Self { r: 0, g: 0, b: 0 }
}
}
pub struct RepeatDefault1 {
a: [i8; 32],
}
impl Default for RepeatDefault1 {
fn default() -> Self {
RepeatDefault1 { a: [0; 32] }
}
}
pub struct RepeatDefault2 {
a: [i8; 33],
}
impl Default for RepeatDefault2 {
fn default() -> Self {
RepeatDefault2 { a: [0; 33] }
}
}
// https://github.com/rust-lang/rust-clippy/issues/7753
pub enum IntOrString {
Int(i32),
String(String),
}
impl Default for IntOrString {
fn default() -> Self {
IntOrString::Int(0)
}
}
fn main() {}
|
