[tracking issue] const fn mem::forget

[DutchGhost]

mem::forget is just a thin wrapper around ManuallyDrop::new which is already a const fn. mem::forget can thus also be a const fn. The usage would be in const functions dealing with generics where you dont want the generics to get dropped.

• implementation (constify mem::forget #69617)
• documentation
• stabilization

[ratijas]

Just for the bookkeeping, with mem::forget stabilized by #73887, shouldn't the stabilization checkbox at the top become checked on?

[DutchGhost]

Just for the bookkeeping, with mem::forget stabilized by #73887, shouldn't the stabilization checkbox at the top become checked on?

Good point, checked the box now!