From 41441fcbc4bc097a59383d88f0f79dbf64f66c9b Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Sun, 24 Oct 2021 12:04:33 -0400
Subject: Update to the 2021 edition

---
 Cargo.toml    | 2 +-
 src/forest.rs | 2 +-
 src/soft.rs   | 1 -
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 43bb9dd..f8c2b8b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "kd-forest"
 version = "2.0.0"
 authors = ["Tavian Barnes <tavianator@tavianator.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 acap = "0.3.0"
diff --git a/src/forest.rs b/src/forest.rs
index d4f5083..28ccb24 100644
--- a/src/forest.rs
+++ b/src/forest.rs
@@ -5,7 +5,7 @@ use acap::kd::FlatKdTree;
 use acap::knn::{NearestNeighbors, Neighborhood};
 use acap::vp::FlatVpTree;
 
-use std::iter::{self, Extend, FromIterator};
+use std::iter;
 
 /// The number of bits dedicated to the flat buffer.
 const BUFFER_BITS: usize = 6;
diff --git a/src/soft.rs b/src/soft.rs
index 694d0e7..4ce4204 100644
--- a/src/soft.rs
+++ b/src/soft.rs
@@ -8,7 +8,6 @@ use acap::knn::{NearestNeighbors, Neighborhood};
 use acap::vp::FlatVpTree;
 
 use std::iter;
-use std::iter::FromIterator;
 use std::mem;
 
 /// A trait for objects that can be soft-deleted.
-- 
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