// Copyright 2017-2018 Parity Technologies (UK) Ltd.
// This file is part of Substrate.

// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.

//! Lowest-abstraction level for the Substrate runtime: just exports useful primitives from std
//! or core/alloc to be used with any code that depends on the runtime.

#![cfg_attr(not(feature = "std"), no_std)]
#![cfg_attr(not(feature = "std"), feature(core_intrinsics))]
#![cfg_attr(not(feature = "std"), feature(alloc))]

#![cfg_attr(feature = "std", doc = "Substrate runtime standard library as compiled when linked with Rust's standard library.")]
#![cfg_attr(not(feature = "std"), doc = "Substrate's runtime standard library as compiled without Rust's standard library.")]

#[macro_export]
macro_rules! map {
	($( $name:expr => $value:expr ),*) => (
		vec![ $( ( $name, $value ) ),* ].into_iter().collect()
	)
}

#[cfg(feature = "std")]
include!("../with_std.rs");

#[cfg(not(feature = "std"))]
include!("../without_std.rs");

/// Prelude of common useful imports.
///
/// This should include only things which are in the normal std prelude.
pub mod prelude {
	pub use ::vec::Vec;
	pub use ::boxed::Box;
	pub use ::cmp::{Eq, PartialEq};
	pub use ::clone::Clone;
}