From 19aac685ab476c00091d2ce67c4e03c52222706d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6nke=20Ludwig?= <sludwig@outerproduct.org>
Date: Sun, 26 Apr 2020 11:49:06 +0200
Subject: [PATCH] HashMap move workaround.

Allows using HashMap with key types that don't compile with move() (TaggedUnion in particular).
---
 utils/vibe/utils/hashmap.d | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/utils/vibe/utils/hashmap.d b/utils/vibe/utils/hashmap.d
index de4f83473d..5a5d060385 100644
--- a/utils/vibe/utils/hashmap.d
+++ b/utils/vibe/utils/hashmap.d
@@ -97,7 +97,9 @@ struct HashMap(TKey, TValue, Traits = DefaultHashMapTraits!TKey, Allocator = IAl
 		{
 			import std.algorithm.mutation : move;
 			this.key = cast(UnConst!Key)key;
-			this.value = value.move;
+			static if (is(typeof(value.move)))
+				this.value = value.move;
+			else this.value = value;
 		}
 	}
 	private {
@@ -161,7 +163,9 @@ struct HashMap(TKey, TValue, Traits = DefaultHashMapTraits!TKey, Allocator = IAl
 				}
 				r = Traits.hashOf(m_table[i].key) & (m_table.length-1);
 			} while ((j<r && r<=i) || (i<j && j<r) || (r<=i && i<j));
-			m_table[j] = m_table[i].move;
+			static if (is(typeof(m_table[i].move)))
+				m_table[j] = m_table[i].move;
+			else m_table[j] = m_table[i];
 		}
 	}