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#[macro_use]
pub mod macros {
#[allow(unused_macros)]
macro_rules! source_pipe {
($($filters:expr),*) => ({
#[allow(unused_imports)]
use source::{Pipe, UnitPipe};
source_pipe!(@internal $($filters),*)
});
(@internal $lhs:expr, $rhs:expr, $($filters:expr),*) => {
let lhs = source_pipe!(@internal $lhs, $rhs);
let rhs = source_pipe!(@internal $($filters),*);
Pipe::new(lhs, rhs)
};
(@internal $lhs:expr, $rhs:expr) => {
Pipe::new($lhs, $rhs)
};
(@internal $filter:expr) => {
UnitPipe::new($filter)
};
}
}
mod pipe;
mod unit_pipe;
pub use self::pipe::*;
pub use self::unit_pipe::*;
#[cfg(test)]
mod tests {
use super::*;
use signalo_traits::source::Source;
use signalo_traits::filter::Filter;
struct DummyFilter;
impl Filter<()> for DummyFilter {
type Output = ();
#[inline]
fn filter(&mut self, _input: ()) -> Self::Output {
()
}
}
struct DummySource;
impl Source for DummySource {
type Output = ();
#[inline]
fn source(&mut self) -> Option<Self::Output> {
None
}
}
#[test]
fn test() {
let _: UnitPipe<_> = source_pipe!(DummySource);
let _: Pipe<_, _> = source_pipe!(DummySource, DummyFilter);
}
}