From 6c8849b0446cfb7583ebe83df9bcc0013c07b5f2 Mon Sep 17 00:00:00 2001
From: Artyom <ocbnishi@gmail.com>
Date: Fri, 26 Jun 2020 15:01:19 +0300
Subject: [PATCH] Fix typecheck

---
 Source/model/draw/ColorMatrix.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/model/draw/ColorMatrix.swift b/Source/model/draw/ColorMatrix.swift
index 0ee4ec31..9ac27a5a 100644
--- a/Source/model/draw/ColorMatrix.swift
+++ b/Source/model/draw/ColorMatrix.swift
@@ -57,7 +57,7 @@ open class ColorMatrix {
         let m3 = [-0.213, -0.715, 0.928,
                   0.143, 0.140, -0.283,
                   -0.787, 0.715, 0.072]
-        let a = { i in
+        let a = { (i: Int) -> Double in
             m1[i] + c * m2[i] + s * m3[i]
         }
         self.init(values: [a(0), a(1), a(2), 0, 0,