EnumField.eq

use libtmux::query::{EnumField, FilterEnum};
use libtmux::query::__private;

enum State { Ready }
impl FilterEnum for State {
    const FILTER_VARIANTS: &'static [&'static str] = &["ready"];
    fn filter_name(&self) -> &'static str { "ready" }
}
struct Row;
let field: EnumField<Row, State> = __private::enum_field("row", "state");
let _ = field.eq(State::Ready);