From 0fed73aa05299c4a249927d522e28da4b7295ae8 Mon Sep 17 00:00:00 2001
From: tegk <you@example.com>
Date: Thu, 17 Oct 2019 12:50:33 +0100
Subject: [PATCH] unnecessary type conversion

---
 policy.go | 2 +-
 sketch.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/policy.go b/policy.go
index 4845174d..68b0fd7f 100644
--- a/policy.go
+++ b/policy.go
@@ -197,7 +197,7 @@ func (p *defaultPolicy) Del(key uint64) {
 
 func (p *defaultPolicy) Cap() int64 {
 	p.Lock()
-	capacity := int64(p.evict.maxCost - p.evict.used)
+	capacity := p.evict.maxCost - p.evict.used
 	p.Unlock()
 	return capacity
 }
diff --git a/sketch.go b/sketch.go
index c2b8c0f4..7c7a9a2d 100644
--- a/sketch.go
+++ b/sketch.go
@@ -102,7 +102,7 @@ func newCmRow(numCounters int64) cmRow {
 }
 
 func (r cmRow) get(n uint64) byte {
-	return byte(r[n/2]>>((n&1)*4)) & 0x0f
+	return r[n/2]>>((n&1)*4) & 0x0f
 }
 
 func (r cmRow) increment(n uint64) {