Trait Replacer
bird_machine
pub trait Replacer<'t, M: Machine<'t>> { fn replace_append(&mut self, match: &M, dst: &mut String); }
fn replace_append(&mut self, match: &M, dst: &mut String)
impl<'t, M: Machine<'t>, S: AsRef<str>, F: FnMut(&M) -> S> Replacer<'t, M> for F