[rustc.git] / src / tools / clippy / tests / ui / unnecessary_cast.rs

#![warn(clippy::unnecessary_cast)]
#![allow(clippy::no_effect)]

fn main() {
    // Test cast_unnecessary
    1i32 as i32;
    1f32 as f32;
    false as bool;
    &1i32 as &i32;

    // macro version
    macro_rules! foo {
        ($a:ident, $b:ident) => {
            #[allow(unused)]
            pub fn $a() -> $b {
                1 as $b
            }
        };
    }
    foo!(a, i32);
    foo!(b, f32);
    foo!(c, f64);

    // do not lint cast to cfg-dependant type
    1 as std::os::raw::c_char;
}
Commit	Line	Data
f20569fa XL	1	#![warn(clippy::unnecessary_cast)]
	2	#![allow(clippy::no_effect)]
	3
	4	fn main() {
	5	// Test cast_unnecessary
	6	1i32 as i32;
	7	1f32 as f32;
	8	false as bool;
	9	&1i32 as &i32;
	10
	11	// macro version
	12	macro_rules! foo {
	13	($a:ident, $b:ident) => {
	14	#[allow(unused)]
	15	pub fn $a() -> $b {
	16	1 as $b
	17	}
	18	};
	19	}
	20	foo!(a, i32);
	21	foo!(b, f32);
	22	foo!(c, f64);
	23
	24	// do not lint cast to cfg-dependant type
	25	1 as std::os::raw::c_char;
	26	}