treaty -


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use mockall::mock;
use treaty::{any::any_trait, effect::{Effect, Future}, protocol::visitor::tag::{DynTag, Tag, TagKind}, DynWalker};

mock! {
    pub TagVisitor<K: TagKind, E> {
        pub fn visit<'a, 'ctx>(&'a mut self, kind: K, walker: DynWalker<'a, 'ctx, E>) -> K::Flow;
    }
}

any_trait! {
    impl['ctx, K, E] MockTagVisitor<K, E> = [
        DynTag<'ctx, K, E>,
    ] where
        K: TagKind,
        E: Effect,
}

impl<'ctx, K: TagKind, E: Effect> Tag<'ctx, K, E> for MockTagVisitor<K, E> {
    fn visit<'a>(
        &'a mut self,
        kind: K,
        walker: DynWalker<'a, 'ctx, E>,
    ) -> Future<'a, <K as TagKind>::Flow, E> {
        E::ready(self.visit(kind, walker))
    }
}