From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Fri, 9 Feb 2024 02:50:26 +0000 (-0600)
Subject: added: `map.copy`
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=31e4959fcbf3feca477ee23881527666586f919a;p=onyx.git

added: `map.copy`
---

diff --git a/core/container/map.onyx b/core/container/map.onyx
index 7aff718c..0efaa9cd 100644
--- a/core/container/map.onyx
+++ b/core/container/map.onyx
@@ -101,6 +101,18 @@ free :: (use map: &Map) {
     if entries.data != null do array.free(&entries);
 }
 
+#doc """
+    Shallow copies a map using the allocator provided if one is provided, or the allocator on the old map otherwise.
+"""
+copy :: (oldMap: &Map, allocator: ? Allocator = .None) -> Map(oldMap.Key_Type, oldMap.Value_Type) {
+    newMap: typeof *oldMap;
+    newMap.allocator = allocator ?? oldMap.allocator;
+    newMap.hashes = array.copy(oldMap.hashes, newMap.allocator);
+    newMap.entries = array.copy(&oldMap.entries, newMap.allocator);
+
+    return newMap;
+}
+
 #doc """
     Sets the value at the specified key, or creates a new entry
     if the key was not already present.