maybe-dangling 0.1.3

`ManuallyDrop<T>` and `MaybeDangling<T>` semantics in stable Rust as per https://github.com/rust-lang/rfcs/pull/3336
Documentation 
1
2
3
4
5
6

[toolchain]
channel = '1.96.0'
profile = 'minimal'
components = [
    'rustfmt',
]