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-rw-r--r--crates/ra_ide_api/src/symbol_index.rs8
1 files changed, 4 insertions, 4 deletions
diff --git a/crates/ra_ide_api/src/symbol_index.rs b/crates/ra_ide_api/src/symbol_index.rs
index bfa2f3469..b563dfe88 100644
--- a/crates/ra_ide_api/src/symbol_index.rs
+++ b/crates/ra_ide_api/src/symbol_index.rs
@@ -6,19 +6,19 @@
6//! @BurntSushi. 6//! @BurntSushi.
7//! 7//!
8//! In a nutshell, you give a set of strings to the `fst`, and it builds a 8//! In a nutshell, you give a set of strings to the `fst`, and it builds a
9//! finite state machine describing this set of strtings. The strings which 9//! finite state machine describing this set of strings. The strings which
10//! could fuzzy-match a pattern can also be described by a finite state machine. 10//! could fuzzy-match a pattern can also be described by a finite state machine.
11//! What is freakingly cool is that you can now traverse both state machines in 11//! What is freakingly cool is that you can now traverse both state machines in
12//! lock-step to enumerate the strings which are both in the input set and 12//! lock-step to enumerate the strings which are both in the input set and
13//! fuzz-match the query. Or, more formally, given two langauges described by 13//! fuzz-match the query. Or, more formally, given two languages described by
14//! fsts, one can build an product fst which describes the intersection of the 14//! fsts, one can build an product fst which describes the intersection of the
15//! languages. 15//! languages.
16//! 16//!
17//! `fst` does not support cheap updating of the index, but it supports unioning 17//! `fst` does not support cheap updating of the index, but it supports unioning
18//! of state machines. So, to account for changing source code, we build an fst 18//! of state machines. So, to account for changing source code, we build an fst
19//! for each library (which is assumed to never change) and an fst for each rust 19//! for each library (which is assumed to never change) and an fst for each rust
20//! file in the current workspace, and run a query aginst the union of all 20//! file in the current workspace, and run a query against the union of all
21//! thouse fsts. 21//! those fsts.
22use std::{ 22use std::{
23 cmp::Ordering, 23 cmp::Ordering,
24 hash::{Hash, Hasher}, 24 hash::{Hash, Hasher},