olson-dan

Hi, Here's the PR discussed here: https://github.com/zesterer/ariadne/issues/6 I've cleaned it up a little to remove the auto-formatting and ensure that `Source::with_line_offset` uses `AsRef`.

PickList requires Copy trait, severely limiting its use

4

I have something like this: ```rust #[derive(Debug, Clone, PartialEq, Eq)] struct Item { id: u32, description: String, } impl std::fmt::Display for Item { // ... } struct State { items:...