tek/jack/src/from_jack.rs

13 lines
555 B
Rust

use crate::*;
/// Implement [TryFrom<&Arc<RwLock<JackConnection>>>]: create app state from wrapped JACK handle.
#[macro_export] macro_rules! from_jack {
(|$jack:ident|$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)? $cb:expr) => {
impl $(<$($L),*$($T $(: $U)?),*>)? TryFrom<&Arc<RwLock<JackConnection>>> for $Struct $(<$($L),*$($T),*>)? {
type Error = Box<dyn std::error::Error>;
fn try_from ($jack: &Arc<RwLock<JackConnection>>) -> Usually<Self> {
Ok($cb)
}
}
};
}