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Fix incorrect comment about contents of a Node.

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This commit is contained in:
Nicholas Nethercote 2019-09-16 12:40:31 +10:00
parent ac061dc5c8
commit 6391ef4d6e
1 changed files with 5 additions and 5 deletions
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10
src/librustc_data_structures/obligation_forest/mod.rs
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@ -66,11 +66,11 @@
//! For the most part, comments specific to the implementation are in the
//! code. This file only contains a very high-level overview. Basically,
//! the forest is stored in a vector. Each element of the vector is a node
//! in some tree. Each node in the vector has the index of an (optional)
//! parent and (for convenience) its root (which may be itself). It also
//! has a current state, described by `NodeState`. After each
//! processing step, we compress the vector to remove completed and error
//! nodes, which aren't needed anymore.
//! in some tree. Each node in the vector has the index of its dependents,
//! including the first dependent which is known as the parent. It also
//! has a current state, described by `NodeState`. After each processing
//! step, we compress the vector to remove completed and error nodes, which
//! aren't needed anymore.
use crate::fx::{FxHashMap, FxHashSet};
use crate::indexed_vec::Idx;