From c1aea79fcd364794ce96f60a2d8c2c8108b91103 Mon Sep 17 00:00:00 2001
From: Luca Ongaro <lukeongaro@gmail.com>
Date: Mon, 8 Feb 2016 19:28:02 +0100
Subject: [PATCH] small code improvements

---
 src/immutable/vector.cr      |  6 ++++--
 src/immutable/vector/trie.cr | 10 +++++-----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/immutable/vector.cr b/src/immutable/vector.cr
index 9f7c86a..72ae3d8 100644
--- a/src/immutable/vector.cr
+++ b/src/immutable/vector.cr
@@ -62,7 +62,7 @@ module Immutable
     # same position.
     def initialize(elems : Array(T))
       leaves = elems.size - (elems.size % Trie::BLOCK_SIZE)
-      @trie = Trie(T).from(elems[0...leaves], object_id)
+      @trie = Trie(T).from(elems[0...leaves], object_id).clear_owner!
       @tail = elems[leaves..-1]
     end
 
@@ -547,7 +547,9 @@ module Immutable
       end
 
       def initialize(elems : Array(T))
-        super(elems)
+        leaves = elems.size - (elems.size % Trie::BLOCK_SIZE)
+        @trie = Trie(T).from(elems[0...leaves], object_id)
+        @tail = elems[leaves..-1]
       end
 
       def persist!
diff --git a/src/immutable/vector/trie.cr b/src/immutable/vector/trie.cr
index f2568f5..1f2fec0 100644
--- a/src/immutable/vector/trie.cr
+++ b/src/immutable/vector/trie.cr
@@ -191,8 +191,8 @@ module Immutable
         self
       end
 
-      def self.empty(from = nil : UInt64)
-        Trie.new([] of T, from)
+      def self.empty(owner = nil : UInt64)
+        Trie.new([] of T, owner)
       end
 
       def self.from(elems : Array(T))
@@ -203,10 +203,10 @@ module Immutable
         trie
       end
 
-      def self.from(elems : Array(T), from : UInt64)
-        trie = Trie(T).empty(from)
+      def self.from(elems : Array(T), owner : UInt64)
+        trie = Trie(T).empty(owner)
         elems.each_slice(BLOCK_SIZE) do |leaf|
-          trie = trie.push_leaf!(leaf, from)
+          trie = trie.push_leaf!(leaf, owner)
         end
         trie.clear_owner!
       end