Enum Walk 

pub(crate) enum Walk {
    Place(Location, Span),
    Items(Rc<Vec<Value>>),
    Range {
        start: i64,
        end: i64,
    },
}

A loop’s iterable, worked out once before the first time round.

Variants

Place(Location, Span)

The length is read each time round, so a loop body may change the list.

Items(Rc<Vec<Value>>)

Range

Fields

start: i64

end: i64