From 37dc273148df0893053bf5cda0582a23f5c2b2d2 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 19 Aug 2016 02:39:32 +0900
Subject: Micro-optimizations

- Make structs smaller
- Introduce Result struct and use it to represent matched items instead of
  reusing Item struct for that purpose
- Avoid unnecessary memory allocation
- Avoid growing slice from the initial capacity
- Code cleanup
---
 src/util/util.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/util')

diff --git a/src/util/util.go b/src/util/util.go
index 113fee91..2ebd0f62 100644
--- a/src/util/util.go
+++ b/src/util/util.go
@@ -4,6 +4,7 @@ package util
 import "C"
 
 import (
+	"math"
 	"os"
 	"os/exec"
 	"time"
@@ -63,6 +64,15 @@ func Constrain(val int, min int, max int) int {
 	return val
 }
 
+func AsUint16(val int) uint16 {
+	if val > math.MaxUint16 {
+		return math.MaxUint16
+	} else if val < 0 {
+		return 0
+	}
+	return uint16(val)
+}
+
 // DurWithin limits the given time.Duration with the upper and lower bounds
 func DurWithin(
 	val time.Duration, min time.Duration, max time.Duration) time.Duration {
-- 
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