From ec8a59f03bc71b2f6562c22711d9d290a9f12e6a Mon Sep 17 00:00:00 2001
From: Christian Treffs <ctreffs@gmail.com>
Date: Thu, 22 Aug 2019 09:10:41 +0200
Subject: [PATCH] Fix trait set validation

---
 Sources/FirebladeECS/FamilyTraitSet.swift | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sources/FirebladeECS/FamilyTraitSet.swift b/Sources/FirebladeECS/FamilyTraitSet.swift
index 1f98a9f..bf1220c 100644
--- a/Sources/FirebladeECS/FamilyTraitSet.swift
+++ b/Sources/FirebladeECS/FamilyTraitSet.swift
@@ -15,8 +15,8 @@ public struct FamilyTraitSet {
         let requiresAll = Set<ComponentIdentifier>(requiresAll.map { $0.identifier })
         let excludesAll = Set<ComponentIdentifier>(excludesAll.map { $0.identifier })
 
-        let valid: Bool = FamilyTraitSet.isValid(requiresAll: requiresAll, excludesAll: excludesAll)
-        precondition(valid, "invalid family trait created - requiresAll: \(requiresAll), excludesAll: \(excludesAll)")
+        precondition(FamilyTraitSet.isValid(requiresAll: requiresAll, excludesAll: excludesAll),
+                     "invalid family trait created - requiresAll: \(requiresAll), excludesAll: \(excludesAll)")
 
         self.requiresAll = requiresAll
         self.excludesAll = excludesAll