mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-17 02:54:26 +00:00
169 lines
2.8 KiB
Rust
169 lines
2.8 KiB
Rust
// run-rustfix
|
|
#![allow(unused_assignments, unused_mut, clippy::assign_op_pattern)]
|
|
#![warn(clippy::implicit_saturating_sub)]
|
|
|
|
fn main() {
|
|
// Tests for unsigned integers
|
|
|
|
let end_8: u8 = 10;
|
|
let start_8: u8 = 5;
|
|
let mut u_8: u8 = end_8 - start_8;
|
|
|
|
// Lint
|
|
u_8 = u_8.saturating_sub(1);
|
|
|
|
match end_8 {
|
|
10 => {
|
|
// Lint
|
|
u_8 = u_8.saturating_sub(1);
|
|
},
|
|
11 => u_8 += 1,
|
|
_ => u_8 = 0,
|
|
}
|
|
|
|
let end_16: u16 = 40;
|
|
let start_16: u16 = 35;
|
|
|
|
let mut u_16: u16 = end_16 - start_16;
|
|
|
|
// Lint
|
|
u_16 = u_16.saturating_sub(1);
|
|
|
|
let mut end_32: u32 = 7010;
|
|
let mut start_32: u32 = 7000;
|
|
|
|
let mut u_32: u32 = end_32 - start_32;
|
|
|
|
// Lint
|
|
u_32 = u_32.saturating_sub(1);
|
|
|
|
// No Lint
|
|
if u_32 > 0 {
|
|
u_16 += 1;
|
|
}
|
|
|
|
// No Lint
|
|
if u_32 != 0 {
|
|
end_32 -= 1;
|
|
start_32 += 1;
|
|
}
|
|
|
|
let mut end_64: u64 = 75001;
|
|
let mut start_64: u64 = 75000;
|
|
|
|
let mut u_64: u64 = end_64 - start_64;
|
|
|
|
// Lint
|
|
u_64 = u_64.saturating_sub(1);
|
|
|
|
// Lint
|
|
u_64 = u_64.saturating_sub(1);
|
|
|
|
// Lint
|
|
u_64 = u_64.saturating_sub(1);
|
|
|
|
// No Lint
|
|
if u_64 >= 1 {
|
|
u_64 -= 1;
|
|
}
|
|
|
|
// No Lint
|
|
if u_64 > 0 {
|
|
end_64 -= 1;
|
|
}
|
|
|
|
// Tests for usize
|
|
let end_usize: usize = 8054;
|
|
let start_usize: usize = 8050;
|
|
|
|
let mut u_usize: usize = end_usize - start_usize;
|
|
|
|
// Lint
|
|
u_usize = u_usize.saturating_sub(1);
|
|
|
|
// Tests for signed integers
|
|
|
|
let endi_8: i8 = 10;
|
|
let starti_8: i8 = 50;
|
|
|
|
let mut i_8: i8 = endi_8 - starti_8;
|
|
|
|
// Lint
|
|
i_8 = i_8.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_8 = i_8.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_8 = i_8.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_8 = i_8.saturating_sub(1);
|
|
|
|
let endi_16: i16 = 45;
|
|
let starti_16: i16 = 44;
|
|
|
|
let mut i_16: i16 = endi_16 - starti_16;
|
|
|
|
// Lint
|
|
i_16 = i_16.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_16 = i_16.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_16 = i_16.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_16 = i_16.saturating_sub(1);
|
|
|
|
let endi_32: i32 = 45;
|
|
let starti_32: i32 = 44;
|
|
|
|
let mut i_32: i32 = endi_32 - starti_32;
|
|
|
|
// Lint
|
|
i_32 = i_32.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_32 = i_32.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_32 = i_32.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_32 = i_32.saturating_sub(1);
|
|
|
|
let endi_64: i64 = 45;
|
|
let starti_64: i64 = 44;
|
|
|
|
let mut i_64: i64 = endi_64 - starti_64;
|
|
|
|
// Lint
|
|
i_64 = i_64.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_64 = i_64.saturating_sub(1);
|
|
|
|
// Lint
|
|
i_64 = i_64.saturating_sub(1);
|
|
|
|
// No Lint
|
|
if i_64 > 0 {
|
|
i_64 -= 1;
|
|
}
|
|
|
|
// No Lint
|
|
if i_64 != 0 {
|
|
i_64 -= 1;
|
|
}
|
|
|
|
// issue #7831
|
|
// No Lint
|
|
if u_32 > 0 {
|
|
u_32 -= 1;
|
|
} else {
|
|
println!("side effect");
|
|
}
|
|
}
|