27 lines
709 B
Rust
27 lines
709 B
Rust
use crate::{exid::ExId, Value};
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use crate::{query, Automerge};
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use std::ops::RangeBounds;
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#[derive(Debug)]
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pub struct ListRange<'a, R: RangeBounds<usize>> {
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range: Option<query::ListRange<'a, R>>,
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doc: &'a Automerge,
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}
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impl<'a, R: RangeBounds<usize>> ListRange<'a, R> {
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pub(crate) fn new(doc: &'a Automerge, range: Option<query::ListRange<'a, R>>) -> Self {
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Self { range, doc }
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}
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}
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impl<'a, R: RangeBounds<usize>> Iterator for ListRange<'a, R> {
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type Item = (usize, Value<'a>, ExId);
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fn next(&mut self) -> Option<Self::Item> {
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self.range
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.as_mut()?
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.next()
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.map(|(idx, value, id)| (idx, value, self.doc.id_to_exid(id)))
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}
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}
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