rstmt-core 0.1.0

the core modules for the rstmt framework
Documentation 
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/*
    Appellation: seal <module>
    Contrib: FL03 <jo3mccain@icloud.com>
*/
//! The public parts of this private module are used to create traits
//! that cannot be implemented outside of our own crate.  This way we
//! can feel free to extend those traits without worrying about it
//! being a breaking change for other implementations.
#![allow(dead_code, unused_macros)]

/// If this type is pub but not publicly reachable, third parties
/// can't name it and can't implement traits using it.
pub struct Seal;
/// The [`private`] macro injects a hidden, private method into a trait definition preventing
/// it from being implemented outside of the crate.
macro_rules! private {
    () => {
        /// This trait is private to implement; this method exists to make it
        /// impossible to implement outside the crate.
        #[doc(hidden)]
        fn __private__(&self) -> $crate::macros::seal::Seal;
    };
}
/// The [`seal`] implements the required method for any trait sealed using the [`private`] macro.
macro_rules! seal {
    () => {
        fn __private__(&self) -> $crate::macros::seal::Seal {
            $crate::macros::seal::Seal
        }
    };
}
/// The [`marker`] macro wor
macro_rules! marker {
    (impl$(<$($I:ident),* $(,)?>)? $trait:ident for $T:ty $(where $($where:tt)+)? $({$($rest:tt)*})?) => {
        impl$(<$($I),*>)? $trait for $T $(where $($where)+)? {
            seal! {}

            $($($rest)*)?
        }
    };
}