From ed01eebf161a180c412babe19043bad3aef2be83 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sat, 12 Mar 2022 16:30:01 +0800
Subject: [PATCH] refactor

---
 src/util/_impl/_dedup_impl.scad       | 2 +-
 src/util/_impl/_shuffle_impl.scad     | 2 +-
 src/util/map/_impl/_hashmap_impl.scad | 2 +-
 src/util/set/_impl/_hashset_impl.scad | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/util/_impl/_dedup_impl.scad b/src/util/_impl/_dedup_impl.scad
index 3c2e62b5..59834e88 100644
--- a/src/util/_impl/_dedup_impl.scad
+++ b/src/util/_impl/_dedup_impl.scad
@@ -10,7 +10,7 @@ function _dedup(elems, leng, buckets, eq, hash, bucket_numbers) =
             n_buckets
         ]
     )
-    _dedup_add(n_buckets_lt[len(n_buckets_lt) - 1], [end, elems[end]], eq, hash, bucket_numbers); 
+    _dedup_add(n_buckets_lt[end - 1], [end, elems[end]], eq, hash, bucket_numbers); 
 
 
 function _dedup_add(buckets, i_elem, eq, hash, bucket_numbers) =
diff --git a/src/util/_impl/_shuffle_impl.scad b/src/util/_impl/_shuffle_impl.scad
index 4f7101ec..6f44edd9 100644
--- a/src/util/_impl/_shuffle_impl.scad
+++ b/src/util/_impl/_shuffle_impl.scad
@@ -4,4 +4,4 @@ function _shuffle(lt, indices, leng) =
     let(end = len(lt) - 1)
     end == 0 ? lt :
     let(cum = [for(i = 0, s = swap(lt, i, indices[i]); i < end; i = i + 1, s = swap(s, i, indices[i])) s])
-    swap(cum[len(cum) - 1], end, indices[end]);
\ No newline at end of file
+    swap(cum[end - 1], end, indices[end]);
\ No newline at end of file
diff --git a/src/util/map/_impl/_hashmap_impl.scad b/src/util/map/_impl/_hashmap_impl.scad
index f35854a7..2c288384 100644
--- a/src/util/map/_impl/_hashmap_impl.scad
+++ b/src/util/map/_impl/_hashmap_impl.scad
@@ -10,4 +10,4 @@ function _hashmap(kv_lt, leng, buckets, b_numbers, eq, hash) =
             n_buckets
         ]
     )
-    _hashmap_put(n_buckets_lt[len(n_buckets_lt) - 1], b_numbers, kv_lt[end][0], kv_lt[end][1], eq, hash); 
\ No newline at end of file
+    _hashmap_put(n_buckets_lt[end - 1], b_numbers, kv_lt[end][0], kv_lt[end][1], eq, hash); 
\ No newline at end of file
diff --git a/src/util/set/_impl/_hashset_impl.scad b/src/util/set/_impl/_hashset_impl.scad
index c1dd357c..70a60373 100644
--- a/src/util/set/_impl/_hashset_impl.scad
+++ b/src/util/set/_impl/_hashset_impl.scad
@@ -10,6 +10,6 @@ function _hashset(lt, leng, buckets, b_numbers, eq, hash) =
             n_buckets
         ]
     )
-    _hashset_add(n_buckets_lt[len(n_buckets_lt) - 1], b_numbers, lt[end], eq, hash); 
+    _hashset_add(n_buckets_lt[end - 1], b_numbers, lt[end], eq, hash);