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Rollup merge of #69617 - DutchGhost:master, r=LukasKalbertodt

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constify mem::forget

implements https://github.com/rust-lang/rust/issues/69616
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Dylan DPC 2020-03-02 13:42:38 +01:00 committed by GitHub
commit e725c04e62
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src/libcore/mem/mod.rs
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@ -109,8 +109,9 @@ pub use crate::intrinsics::transmute;
/// [ub]: ../../reference/behavior-considered-undefined.html
/// [`ManuallyDrop`]: struct.ManuallyDrop.html
#[inline]
#[rustc_const_unstable(feature = "const_forget", issue = "69616")]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn forget<T>(t: T) {
pub const fn forget<T>(t: T) {
ManuallyDrop::new(t);
}