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#![cfg_attr(rustfmt, rustfmt::skip)]
//! Tuple types with a guaranteed `#[repr(C)]` layout.
//!
//! Simplified for lighter documentation, but the actual `struct` definitions
//! and impls range from `Tuple1` up to `Tuple6`.

use_prelude!();

mod void {
    #[derive(Clone, Copy)]
    #[allow(missing_debug_implementations)]
    pub
    struct CVoid {
        _0: (),
    }
    // pub const CVoid: CVoid = CVoid { _0: () };
}
pub(in crate) use void::CVoid;

unsafe
impl LegacyCType
    for CVoid
{ __cfg_headers__! {
    fn c_short_name_fmt (fmt: &'_ mut fmt::Formatter<'_>)
      -> fmt::Result
    {
        fmt.write_str("void")
    }

    fn c_var_fmt (
        fmt: &'_ mut fmt::Formatter<'_>,
        var_name: &'_ str,
    ) -> fmt::Result
    {
        write!(fmt,
            "void{sep}{}",
            var_name,
            sep = if var_name.is_empty() { "" } else { " " },
        )
    }

    fn c_define_self (
        _: &'_ mut dyn crate::headers::Definer,
    ) -> io::Result<()>
    {
        Ok(())
    }

    __cfg_csharp__! {
        fn csharp_define_self (
            _: &'_ mut dyn crate::headers::Definer,
        ) -> io::Result<()>
        {
            Ok(())
        }

        fn csharp_ty ()
          -> rust::String
        {
            "void".into()
        }
    }
} type OPAQUE_KIND = crate::layout::OpaqueKind::Concrete; }
from_CType_impl_ReprC! { CVoid }

unsafe
impl ReprC
    for ::core::ffi::c_void
{
    type CLayout = CVoid;

    fn is_valid (_: &'_ CVoid)
      -> bool
    {
        panic!("Trying to construct a `c_void` is a logic error");
    }
}

#[cfg(not(docs))]
ReprC! {
    #[repr(C)]
    #[derive(Debug)]
    /// Simplified for lighter documentation, but the actual impls
    /// range from `Tuple1` up to `Tuple6`.
    pub
    struct Tuple1[T0] {
        pub _0: T0,
    }
}

ReprC! {
    #[repr(C)]
    #[derive(Debug)]
    /// Simplified for lighter documentation, but the actual impls
    /// range from `Tuple1` up to `Tuple6`.
    pub
    struct Tuple2[T0, T1] {
        pub _0: T0,
        pub _1: T1,
    }
}

#[cfg(not(docs))]
ReprC! {
    #[repr(C)]
    #[derive(Debug)]
    pub
    struct Tuple3[T0, T1, T2] {
        pub _0: T0,
        pub _1: T1,
        pub _2: T2,
    }
}

#[cfg(not(docs))]
ReprC! {
    #[repr(C)]
    #[derive(Debug)]
    pub
    struct Tuple4[T0, T1, T2, T3] {
        pub _0: T0,
        pub _1: T1,
        pub _2: T2,
        pub _3: T3,
    }
}
#[cfg(not(docs))]
ReprC! {
    #[repr(C)]
    #[derive(Debug)]
    pub
    struct Tuple5[T0, T1, T2, T3, T4] {
        pub _0: T0,
        pub _1: T1,
        pub _2: T2,
        pub _3: T3,
        pub _4: T4,
    }
}
#[cfg(not(docs))]
ReprC! {
    #[repr(C)]
    #[derive(Debug)]
    pub
    struct Tuple6[T0, T1, T2, T3, T4, T5] {
        pub _0: T0,
        pub _1: T1,
        pub _2: T2,
        pub _3: T3,
        pub _4: T4,
        pub _5: T5,
    }
}