3046cbab35Rather than returning an OpID for every mutation, we now return an `Option<ObjId>`. This is `Some` only when a `make*` operation was applied. This `ObjID` is an opaque type which can be used with any document.
21 lines
473 B
Rust
21 lines
473 B
Rust
use crate::op_tree::OpTreeNode;
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use crate::query::{QueryResult, TreeQuery};
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use std::fmt::Debug;
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#[derive(Debug, Clone, PartialEq)]
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pub(crate) struct Len<const B: usize> {
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pub len: usize,
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}
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impl<const B: usize> Len<B> {
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pub fn new() -> Self {
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Len { len: 0 }
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}
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}
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impl<const B: usize> TreeQuery<B> for Len<B> {
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fn query_node(&mut self, child: &OpTreeNode<B>) -> QueryResult {
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self.len = child.index.len;
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QueryResult::Finish
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}
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}
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