Function eval_closure 

pub fn eval_closure(
    func: &Func,
    closure: &LazyHash<Closure>,
    world: Tracked<'_, dyn World + '_>,
    library: &LazyHash<Library>,
    introspector: Tracked<'_, dyn Introspector + '_>,
    traced: Tracked<'_, Traced>,
    sink: TrackedMut<'_, Sink>,
    route: Tracked<'_, Route<'_>>,
    context: Tracked<'_, Context<'_>>,
    args: Args,
) -> Result<Value, EcoVec<SourceDiagnostic>>

Call the function in the context with the arguments.