hstr 3.0.6

A string type which is optimized for hash operations.
Documentation 
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macro_rules! get_hash {
    ($self:expr) => {
        match $self.tag() {
            DYNAMIC_TAG => {
                let unsafe_data = $self.unsafe_data;
                unsafe { $crate::dynamic::deref_from(unsafe_data) }
                    .header
                    .header
                    .hash
            }
            INLINE_TAG => {
                // This is passed as input to the caller's `Hasher` implementation, so it's okay
                // that this isn't really a hash
                $self.unsafe_data.hash()
            }
            _ => unsafe { debug_unreachable!() },
        }
    };
}

macro_rules! impl_from_alias {
    ($ty:ty) => {
        impl $ty {
            #[inline]
            pub(crate) fn from_alias(alias: TaggedValue) -> Self {
                if alias.tag() & TAG_MASK == DYNAMIC_TAG {
                    unsafe {
                        let arc = $crate::dynamic::restore_arc(alias);
                        forget(arc.clone());
                        forget(arc);
                    }
                }

                Self { unsafe_data: alias }
            }
        }
    };
}

pub(crate) use get_hash;
pub(crate) use impl_from_alias;