mirror of https://github.com/rust-lang/rust.git
57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[warn(clippy::cast_precision_loss, clippy::cast_possible_truncation, clippy::cast_sign_loss, clippy::cast_possible_wrap, clippy::cast_lossless)]
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#[allow(clippy::no_effect, clippy::unnecessary_operation)]
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fn main() {
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// Test clippy::cast_precision_loss
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1i32 as f32;
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1i64 as f32;
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1i64 as f64;
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1u32 as f32;
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1u64 as f32;
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1u64 as f64;
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// Test clippy::cast_possible_truncation
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1f32 as i32;
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1f32 as u32;
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1f64 as f32;
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1i32 as i8;
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1i32 as u8;
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1f64 as isize;
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1f64 as usize;
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// Test clippy::cast_possible_wrap
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1u8 as i8;
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1u16 as i16;
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1u32 as i32;
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1u64 as i64;
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1usize as isize;
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// Test clippy::cast_lossless with casts from floating-point types
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1.0f32 as f64;
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// Test clippy::cast_lossless with an expression wrapped in parens
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(1u8 + 1u8) as u16;
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// Test clippy::cast_sign_loss
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1i32 as u32;
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1isize as usize;
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// Extra checks for *size
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// Test cast_unnecessary
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1i32 as i32;
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1f32 as f32;
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false as bool;
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&1i32 as &i32;
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// Should not trigger
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let v = vec!(1);
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&v as &[i32];
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1.0 as f64;
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1 as u64;
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}
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