mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 06:22:00 +00:00
30 lines
887 B
Rust
30 lines
887 B
Rust
// run-pass
|
|
// Issue #2005: Check that boxed fixed-size arrays are properly
|
|
// accounted for (namely, only deallocated if they were actually
|
|
// created) when they appear as temporaries in unused arms of a match
|
|
// expression.
|
|
|
|
pub fn foo(box_1: fn () -> Box<[i8; 1]>,
|
|
box_2: fn () -> Box<[i8; 20]>,
|
|
box_3: fn () -> Box<[i8; 300]>,
|
|
box_4: fn () -> Box<[i8; 4000]>,
|
|
) {
|
|
println!("Hello World 1");
|
|
let _: Box<[i8]> = match 3 {
|
|
1 => box_1(),
|
|
2 => box_2(),
|
|
3 => box_3(),
|
|
_ => box_4(),
|
|
};
|
|
println!("Hello World 2");
|
|
}
|
|
|
|
pub fn main() {
|
|
fn box_1() -> Box<[i8; 1]> { Box::new( [1] ) }
|
|
fn box_2() -> Box<[i8; 20]> { Box::new( [1; 20] ) }
|
|
fn box_3() -> Box<[i8; 300]> { Box::new( [1; 300] ) }
|
|
fn box_4() -> Box<[i8; 4000]> { Box::new( [1; 4000] ) }
|
|
|
|
foo(box_1, box_2, box_3, box_4);
|
|
}
|