| // run-rustfix |
| |
| #![feature(box_syntax)] |
| #![allow(clippy::deref_addrof, dead_code, unused, clippy::no_effect)] |
| #![warn(clippy::unnecessary_operation)] |
| |
| struct Tuple(i32); |
| struct Struct { |
| field: i32, |
| } |
| enum Enum { |
| Tuple(i32), |
| Struct { field: i32 }, |
| } |
| struct DropStruct { |
| field: i32, |
| } |
| impl Drop for DropStruct { |
| fn drop(&mut self) {} |
| } |
| struct DropTuple(i32); |
| impl Drop for DropTuple { |
| fn drop(&mut self) {} |
| } |
| enum DropEnum { |
| Tuple(i32), |
| Struct { field: i32 }, |
| } |
| impl Drop for DropEnum { |
| fn drop(&mut self) {} |
| } |
| struct FooString { |
| s: String, |
| } |
| |
| fn get_number() -> i32 { |
| 0 |
| } |
| |
| fn get_usize() -> usize { |
| 0 |
| } |
| fn get_struct() -> Struct { |
| Struct { field: 0 } |
| } |
| fn get_drop_struct() -> DropStruct { |
| DropStruct { field: 0 } |
| } |
| |
| fn main() { |
| Tuple(get_number()); |
| Struct { field: get_number() }; |
| Struct { ..get_struct() }; |
| Enum::Tuple(get_number()); |
| Enum::Struct { field: get_number() }; |
| 5 + get_number(); |
| *&get_number(); |
| &get_number(); |
| (5, 6, get_number()); |
| box get_number(); |
| get_number()..; |
| ..get_number(); |
| 5..get_number(); |
| [42, get_number()]; |
| [42, 55][get_usize()]; |
| (42, get_number()).1; |
| [get_number(); 55]; |
| [42; 55][get_usize()]; |
| { |
| get_number() |
| }; |
| FooString { |
| s: String::from("blah"), |
| }; |
| |
| // Do not warn |
| DropTuple(get_number()); |
| DropStruct { field: get_number() }; |
| DropStruct { field: get_number() }; |
| DropStruct { ..get_drop_struct() }; |
| DropEnum::Tuple(get_number()); |
| DropEnum::Struct { field: get_number() }; |
| } |