Move ethcore files back into root.

util/src/common.rs

@@ -0,0 +1,57 @@
+pub use standard::*;
+pub use from_json::*;
+pub use error::*;
+pub use hash::*;
+pub use uint::*;
+pub use bytes::*;
+pub use vector::*;
+pub use sha3::*;
+
+#[macro_export]
+macro_rules! map {
+	( $( $x:expr => $y:expr ),* ) => {
+		vec![ $( ($x, $y) ),* ].into_iter().collect::<BTreeMap<_, _>>()
+	}
+}
+
+#[macro_export]
+macro_rules! mapx {
+	( $( $x:expr => $y:expr ),* ) => {
+		vec![ $( ( From::from($x), From::from($y) ) ),* ].into_iter().collect::<BTreeMap<_, _>>()
+	}
+}
+
+#[macro_export]
+macro_rules! x {
+	( $x:expr ) => {
+		From::from($x)
+	}
+}
+
+#[macro_export]
+macro_rules! xx {
+	( $x:expr ) => {
+		From::from(From::from($x))
+	}
+}
+
+#[macro_export]
+macro_rules! flush {
+	($($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)*));
+}
+
+pub fn flush(s: String) {
+	::std::io::stdout().write(s.as_bytes()).unwrap();
+	::std::io::stdout().flush().unwrap();
+}
+
+#[test]
+fn test_flush() {
+	flushln!("hello_world {:?}", 1);
+}