treaty -


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//! Wrapper types that impl [`TypeNameable`] when their generic type is `'static`.

use super::*;

/// Impl of [`TypeNameable`] for `'static` types that are owned (`T`).
#[derive(PartialEq, Clone, Copy, Debug)]
#[repr(transparent)]
pub struct OwnedStatic<T: ?Sized>(pub T);

bijective_higher_ranked_type! {
    pub type DynOwnedStatic['lt][T][]: MaybeSized['lt][]
    for<'a>
    (OwnedStatic<T>)
    where {
        T: ?Sized + 'lt
    }
}

bijective_higher_ranked_type! {
    pub type [][T][]: TypeName[][]
    for<'lt>
    (DynOwnedStatic<'lt, T>)
    where {
        T: ?Sized + 'static
    }
}

/// Impl of [`TypeNameable`] for `'static` types that are borrowed (`&'lt T`).
#[repr(transparent)]
pub struct BorrowedStatic<'lt, T: ?Sized>(pub &'lt T);

bijective_higher_ranked_type! {
    pub type DynBorrowedStatic['lt][T]: MaybeSized['lt][]
    for<'a>
    (BorrowedStatic<'lt, T>)
    where {
        T: ?Sized + 'lt,
    }
}

bijective_higher_ranked_type! {
    pub type [][T][]: TypeName[][]
    for<'lt>
    (DynBorrowedStatic<'lt, T>)
    where {
        T: ?Sized + 'static
    }
}

/// Impl of [`TypeNameable`] for `'static` types that are temporarily borrowed (`&'a T`).
#[repr(transparent)]
pub struct TempBorrowedStatic<'a, T: ?Sized>(pub &'a T);

bijective_higher_ranked_type! {
    pub type DynTempBorrowedStatic['lt][T]: MaybeSized['lt][]
    for<'a>
    (TempBorrowedStatic<'a, T>)
    where {
        T: ?Sized + 'lt,
    }
}

bijective_higher_ranked_type! {
    pub type [][T][]: TypeName[][]
    for<'lt>
    (DynTempBorrowedStatic<'lt, T>)
    where {
        T: ?Sized + 'static
    }
}

/// Impl of [`TypeNameable`] for `'static` types that are borrowed mutably (`&'lt mut T`).
#[repr(transparent)]
pub struct BorrowedMutStatic<'lt, T: ?Sized>(pub &'lt mut T);

bijective_higher_ranked_type! {
    pub type DynBorrowedMutStatic['lt][T]: MaybeSized['lt][]
    for<'a>
    (BorrowedMutStatic<'lt, T>)
    where {
        T: ?Sized + 'lt,
    }
}

bijective_higher_ranked_type! {
    pub type [][T][]: TypeName[][]
    for<'lt>
    (DynBorrowedMutStatic<'lt, T>)
    where {
        T: ?Sized + 'static
    }
}

/// Impl of [`TypeNameable`] for `'static` types that are temporarily borrowed mutably (`&'a mut T`).
#[repr(transparent)]
pub struct TempBorrowedMutStatic<'a, T: ?Sized>(pub &'a mut T);

bijective_higher_ranked_type! {
    pub type DynTempBorrowedMutStatic['lt][T]: MaybeSized['lt][]
    for<'a>
    (TempBorrowedMutStatic<'a, T>)
    where {
        T: ?Sized + 'lt,
    }
}

bijective_higher_ranked_type! {
    pub type [][T][]: TypeName[][]
    for<'lt>
    (DynTempBorrowedMutStatic<'lt, T>)
    where {
        T: ?Sized + 'static
    }
}

/// Impl of [`TypeNameable`] for `'static` types that are in a [`Box`] (`Box<T>`).
#[cfg(feature = "alloc")]
pub struct BoxedStatic<T: ?Sized>(pub Box<T>);

#[cfg(feature = "alloc")]
bijective_higher_ranked_type! {
    pub type DynBoxedStatic['lt][T]: MaybeSized['lt][]
    for<'a>
    (BoxedStatic<T>)
    where {
        T: ?Sized + 'lt,
    }
}

#[cfg(feature = "alloc")]
bijective_higher_ranked_type! {
    pub type [][T][]: TypeName[][]
    for<'lt>
    (DynBoxedStatic<'lt, T>)
    where {
        T: ?Sized + 'static
    }
}

#[derive(Debug)]
pub enum BorrowedStaticValue<'ctx, T: ?Sized + 'static> {
    Ctx(&'ctx T),
    Static(&'static T),
}

#[derive(Debug)]
pub enum BorrowedMutStaticValue<'ctx, T: ?Sized + 'static> {
    Ctx(&'ctx mut T),
    Static(&'static mut T),
}