-#![feature(plugin)]
-#![plugin(clippy)]
-
-#[warn(cast_precision_loss, cast_possible_truncation, cast_sign_loss, cast_possible_wrap, cast_lossless)]
-#[allow(no_effect, unnecessary_operation)]
+#[warn(
+ clippy::cast_precision_loss,
+ clippy::cast_possible_truncation,
+ clippy::cast_sign_loss,
+ clippy::cast_possible_wrap
+)]
+#[allow(clippy::no_effect, clippy::unnecessary_operation)]
fn main() {
- // Test cast_precision_loss
- 1i32 as f32;
- 1i64 as f32;
- 1i64 as f64;
- 1u32 as f32;
- 1u64 as f32;
- 1u64 as f64;
- // Test cast_possible_truncation
+ // Test clippy::cast_precision_loss
+ let x0 = 1i32;
+ x0 as f32;
+ let x1 = 1i64;
+ x1 as f32;
+ x1 as f64;
+ let x2 = 1u32;
+ x2 as f32;
+ let x3 = 1u64;
+ x3 as f32;
+ x3 as f64;
+ // Test clippy::cast_possible_truncation
1f32 as i32;
1f32 as u32;
1f64 as f32;
1i32 as u8;
1f64 as isize;
1f64 as usize;
- // Test cast_possible_wrap
+ // Test clippy::cast_possible_wrap
1u8 as i8;
1u16 as i16;
1u32 as i32;
1u64 as i64;
1usize as isize;
- // Test cast_lossless with casts to integer types
- 1i8 as i16;
- 1i8 as i32;
- 1i8 as i64;
- 1u8 as i16;
- 1u8 as i32;
- 1u8 as i64;
- 1u8 as u16;
- 1u8 as u32;
- 1u8 as u64;
- 1i16 as i32;
- 1i16 as i64;
- 1u16 as i32;
- 1u16 as i64;
- 1u16 as u32;
- 1u16 as u64;
- 1i32 as i64;
- 1u32 as i64;
- 1u32 as u64;
- // Test cast_lossless with casts to floating-point types
- 1i8 as f32;
- 1i8 as f64;
- 1u8 as f32;
- 1u8 as f64;
- 1i16 as f32;
- 1i16 as f64;
- 1u16 as f32;
- 1u16 as f64;
- 1i32 as f64;
- 1u32 as f64;
- // Test cast_lossless with casts from floating-point types
- 1.0f32 as f64;
- // Test cast_lossless with an expression wrapped in parens
- (1u8 + 1u8) as u16;
- // Test cast_sign_loss
+ // Test clippy::cast_sign_loss
1i32 as u32;
+ -1i32 as u32;
1isize as usize;
- // Extra checks for *size
- // Casting from *size
- 1isize as i8;
- 1isize as f64;
- 1usize as f64;
- 1isize as f32;
- 1usize as f32;
- 1isize as i32;
- 1isize as u32;
- 1usize as u32;
- 1usize as i32;
- // Casting to *size
- 1i64 as isize;
- 1i64 as usize;
- 1u64 as isize;
- 1u64 as usize;
- 1u32 as isize;
- 1u32 as usize; // Should not trigger any lint
- 1i32 as isize; // Neither should this
- 1i32 as usize;
- // Test cast_unnecessary
- 1i32 as i32;
- 1f32 as f32;
- false as bool;
- &1i32 as &i32;
- // Should not trigger
- let v = vec!(1);
- &v as &[i32];
- 1.0 as f64;
- 1 as u64;
+ -1isize as usize;
+ 0i8 as u8;
+ i8::max_value() as u8;
+ i16::max_value() as u16;
+ i32::max_value() as u32;
+ i64::max_value() as u64;
+ i128::max_value() as u128;
+
+ (-1i8).abs() as u8;
+ (-1i16).abs() as u16;
+ (-1i32).abs() as u32;
+ (-1i64).abs() as u64;
+ (-1isize).abs() as usize;
+
+ (-1i8).checked_abs().unwrap() as u8;
+ (-1i16).checked_abs().unwrap() as u16;
+ (-1i32).checked_abs().unwrap() as u32;
+ (-1i64).checked_abs().unwrap() as u64;
+ (-1isize).checked_abs().unwrap() as usize;
+
+ (-1i8).rem_euclid(1i8) as u8;
+ (-1i8).rem_euclid(1i8) as u16;
+ (-1i16).rem_euclid(1i16) as u16;
+ (-1i16).rem_euclid(1i16) as u32;
+ (-1i32).rem_euclid(1i32) as u32;
+ (-1i32).rem_euclid(1i32) as u64;
+ (-1i64).rem_euclid(1i64) as u64;
+ (-1i64).rem_euclid(1i64) as u128;
+ (-1isize).rem_euclid(1isize) as usize;
+ (1i8).rem_euclid(-1i8) as u8;
+ (1i8).rem_euclid(-1i8) as u16;
+ (1i16).rem_euclid(-1i16) as u16;
+ (1i16).rem_euclid(-1i16) as u32;
+ (1i32).rem_euclid(-1i32) as u32;
+ (1i32).rem_euclid(-1i32) as u64;
+ (1i64).rem_euclid(-1i64) as u64;
+ (1i64).rem_euclid(-1i64) as u128;
+ (1isize).rem_euclid(-1isize) as usize;
+
+ (-1i8).checked_rem_euclid(1i8).unwrap() as u8;
+ (-1i8).checked_rem_euclid(1i8).unwrap() as u16;
+ (-1i16).checked_rem_euclid(1i16).unwrap() as u16;
+ (-1i16).checked_rem_euclid(1i16).unwrap() as u32;
+ (-1i32).checked_rem_euclid(1i32).unwrap() as u32;
+ (-1i32).checked_rem_euclid(1i32).unwrap() as u64;
+ (-1i64).checked_rem_euclid(1i64).unwrap() as u64;
+ (-1i64).checked_rem_euclid(1i64).unwrap() as u128;
+ (-1isize).checked_rem_euclid(1isize).unwrap() as usize;
+ (1i8).checked_rem_euclid(-1i8).unwrap() as u8;
+ (1i8).checked_rem_euclid(-1i8).unwrap() as u16;
+ (1i16).checked_rem_euclid(-1i16).unwrap() as u16;
+ (1i16).checked_rem_euclid(-1i16).unwrap() as u32;
+ (1i32).checked_rem_euclid(-1i32).unwrap() as u32;
+ (1i32).checked_rem_euclid(-1i32).unwrap() as u64;
+ (1i64).checked_rem_euclid(-1i64).unwrap() as u64;
+ (1i64).checked_rem_euclid(-1i64).unwrap() as u128;
+ (1isize).checked_rem_euclid(-1isize).unwrap() as usize;
}