pub trait Action: Sync + Send {
fn execute<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
chord: &'life1 dyn Chord,
arg: &'life2 mut dyn Arg
) -> Pin<Box<dyn Future<Output = Result<Asset, Error>> + Send + 'async_trait>>
where
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Self: 'async_trait;
fn explain<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
_chord: &'life1 dyn Chord,
arg: &'life2 dyn Arg
) -> Pin<Box<dyn Future<Output = Result<Value, Error>> + Send + 'async_trait>>
where
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Self: 'async_trait,
{ ... }
}