first pass of merging in warp (doesn't build)

crates/sum_tree/src/cursor.rs

@@ -1,4 +1,5 @@
-use std::{cmp::Ordering, sync::Arc};
+use std::cmp::Ordering;
+use std::sync::Arc;
 
 use arrayvec::ArrayVec;
 

crates/sum_tree/src/lib.rs

@@ -1,8 +1,10 @@
-use std::{fmt, iter::FromIterator, ops::AddAssign, sync::Arc};
+use std::fmt;
+use std::iter::FromIterator;
+use std::ops::AddAssign;
+use std::sync::Arc;
 
 use arrayvec::ArrayVec;
-pub use cursor::Cursor;
-pub use cursor::FilterCursor;
+pub use cursor::{Cursor, FilterCursor};
 
 mod cursor;
 
@@ -526,5 +528,5 @@ where
 }
 
 #[cfg(test)]
-#[path = "lib_test.rs"]
+#[path = "lib_tests.rs"]
 mod tests;

crates/sum_tree/src/lib_tests.rs

@@ -1,6 +1,7 @@
-use super::*;
 use std::ops::Add;
 
+use super::*;
+
 #[test]
 fn test_extend_and_push_tree() {
     let mut tree1 = SumTree::new();
@@ -16,7 +17,8 @@ fn test_extend_and_push_tree() {
 #[test]
 fn test_random() {
     for seed in 0..100 {
-        use rand::{distributions, prelude::*};
+        use rand::distributions;
+        use rand::prelude::*;
 
         let rng = &mut StdRng::seed_from_u64(seed);