openethereum/util/src/common.rs

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// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity 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.
// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
//! Utils common types and macros global reexport.
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pub use standard::*;
pub use from_json::*;
pub use error::*;
pub use bytes::*;
pub use vector::*;
pub use sha3::*;
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pub use bigint::hash::*;
pub use bigint::uint::*;
pub use bigint::hash;
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#[macro_export]
macro_rules! vec_into {
( $( $x:expr ),* ) => {
vec![ $( $x.into() ),* ]
}
}
#[macro_export]
macro_rules! hash_map {
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() => { HashMap::new() };
( $( $x:expr => $y:expr ),* ) => {{
let mut x = HashMap::new();
$(
x.insert($x, $y);
)*
x
}}
}
#[macro_export]
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macro_rules! hash_map_into {
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() => { HashMap::new() };
( $( $x:expr => $y:expr ),* ) => {{
let mut x = HashMap::new();
$(
x.insert($x.into(), $y.into());
)*
x
}}
}
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#[macro_export]
macro_rules! map {
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() => { BTreeMap::new() };
( $( $x:expr => $y:expr ),* ) => {{
let mut x = BTreeMap::new();
$(
x.insert($x, $y);
)*
x
}}
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}
#[macro_export]
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macro_rules! map_into {
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() => { BTreeMap::new() };
( $( $x:expr => $y:expr ),* ) => {{
let mut x = BTreeMap::new();
$(
x.insert($x.into(), $y.into());
)*
x
}}
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}
#[macro_export]
macro_rules! flush {
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($arg:expr) => ($crate::flush($arg.into()));
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($($arg:tt)*) => ($crate::flush(format!("{}", format_args!($($arg)*))));
}
#[macro_export]
macro_rules! flushln {
($fmt:expr) => (flush!(concat!($fmt, "\n")));
($fmt:expr, $($arg:tt)*) => (flush!(concat!($fmt, "\n"), $($arg)*));
}
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#[doc(hidden)]
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pub fn flush(s: String) {
let _ = ::std::io::stdout().write(s.as_bytes());
let _ = ::std::io::stdout().flush();
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}
#[test]
fn test_flush() {
flushln!("hello_world {:?}", 1);
}