105 lines
2.2 KiB
Rust
105 lines
2.2 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Utils common types and macros global reexport.
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use std::io;
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#[macro_export]
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macro_rules! vec_into {
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( $( $x:expr ),* ) => {
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vec![ $( $x.into() ),* ]
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}
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}
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#[macro_export]
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macro_rules! slice_into {
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( $( $x:expr ),* ) => {
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&[ $( $x.into() ),* ]
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}
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}
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#[macro_export]
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macro_rules! hash_map {
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() => { HashMap::new() };
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( $( $x:expr => $y:expr ),* ) => {{
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let mut x = HashMap::new();
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$(
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x.insert($x, $y);
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)*
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x
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}}
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}
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#[macro_export]
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macro_rules! hash_map_into {
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() => { HashMap::new() };
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( $( $x:expr => $y:expr ),* ) => {{
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let mut x = HashMap::new();
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$(
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x.insert($x.into(), $y.into());
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)*
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x
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}}
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}
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#[macro_export]
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macro_rules! map {
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() => { BTreeMap::new() };
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( $( $x:expr => $y:expr ),* ) => {{
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let mut x = BTreeMap::new();
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$(
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x.insert($x, $y);
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)*
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x
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}}
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}
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#[macro_export]
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macro_rules! map_into {
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() => { BTreeMap::new() };
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( $( $x:expr => $y:expr ),* ) => {{
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let mut x = BTreeMap::new();
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$(
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x.insert($x.into(), $y.into());
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)*
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x
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}}
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}
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#[macro_export]
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macro_rules! flush {
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($arg:expr) => ($crate::flush($arg.into()));
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($($arg:tt)*) => ($crate::flush(format!("{}", format_args!($($arg)*))));
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}
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#[macro_export]
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macro_rules! flushln {
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($fmt:expr) => (flush!(concat!($fmt, "\n")));
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($fmt:expr, $($arg:tt)*) => (flush!(concat!($fmt, "\n"), $($arg)*));
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}
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#[doc(hidden)]
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pub fn flush(s: String) {
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let _ = io::Write::write(&mut io::stdout(), s.as_bytes());
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let _ = io::Write::flush(&mut io::stdout());
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}
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#[test]
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fn test_flush() {
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flushln!("hello_world {:?}", 1);
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}
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