From b61957f7f9223bbde2c404467ee120beb9b3d438 Mon Sep 17 00:00:00 2001
From: Feldwor <BoQsc@users.noreply.github.com>
Date: Wed, 18 Sep 2019 17:37:30 +0300
Subject: [PATCH]  add import std.algorithm;

```
vaidas@vaidas-SATELLITE-L855:~$ dub run dlangui:tetris
Building package dlangui:tetris in /home/vaidas/.dub/packages/dlangui-0.9.182/dlangui/examples/tetris/
Performing "debug" build using dmd for x86_64.
derelict-util 3.0.0-beta.2: target for configuration "library" is up to date.
derelict-ft 2.0.0-beta.5: target for configuration "library" is up to date.
derelict-gl3 2.0.0-beta.8: target for configuration "library" is up to date.
derelict-sdl2 3.0.0-beta.8: target for configuration "derelict-sdl2-dynamic" is up to date.
dlangui 0.9.182: target for configuration "minimal" is up to date.
dlangui:tetris 0.9.182: building configuration "application"...
.dub/packages/dlangui-0.9.182/dlangui/examples/tetris/src/gui.d(562,20): Error: min is not defined, perhaps import std.algorithm; is needed?
dmd failed with exit code 1.
```
---
 examples/tetris/src/gui.d | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/tetris/src/gui.d b/examples/tetris/src/gui.d
index b29b763a..27997bf6 100644
--- a/examples/tetris/src/gui.d
+++ b/examples/tetris/src/gui.d
@@ -3,6 +3,7 @@ module gui;
 import model;
 
 import dlangui;
+import std.algorithm;
 
 /// game action codes
 enum TetrisAction : int {