dstify 0.2.1

safe construction of custom dynamically-sized types (DSTs)
Documentation 
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#[macro_export]
macro_rules! make {
    ($ty:path, $($args:expr),+) => {{
        extern crate alloc;
        <$ty>::init_unsized::<alloc::sync::Arc<_>>($($args),*);
        <$ty>::init_unsized::<alloc::rc::Rc<_>>($($args),*);
        <$ty>::init_unsized::<alloc::boxed::Box<_>>($($args),*)
    }};
}