-#![feature(plugin)]
-#![plugin(clippy)]
-
-#[deny(cast_precision_loss, cast_possible_truncation, cast_sign_loss, cast_possible_wrap)]
-#[allow(no_effect, unnecessary_operation)]
+// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[warn(
+ clippy::cast_precision_loss,
+ clippy::cast_possible_truncation,
+ clippy::cast_sign_loss,
+ clippy::cast_possible_wrap,
+ clippy::cast_lossless
+)]
+#[allow(clippy::no_effect, clippy::unnecessary_operation)]
fn main() {
- // Test cast_precision_loss
+ // Test clippy::cast_precision_loss
1i32 as f32;
1i64 as f32;
1i64 as f64;
1u32 as f32;
1u64 as f32;
1u64 as f64;
- 1i32 as f64; // Should not trigger the lint
- 1u32 as f64; // Should not trigger the lint
-
- // Test cast_possible_truncation
+ // Test clippy::cast_possible_truncation
1f32 as i32;
1f32 as u32;
-
1f64 as f32;
1i32 as i8;
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_sign_loss
+ // Test clippy::cast_lossless with casts from floating-point types
+ 1.0f32 as f64;
+ // Test clippy::cast_lossless with an expression wrapped in parens
+ (1u8 + 1u8) as u16;
+ // Test clippy::cast_sign_loss
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
- 1i32 as i64;
+ #[rustfmt::skip]
let v = vec!(1);
&v as &[i32];
1.0 as f64;