From a187e0474906d12571f95e0a9a94eea65963bf3c Mon Sep 17 00:00:00 2001
From: lrita <lrita@163.com>
Date: Tue, 30 Jul 2019 18:58:48 +0800
Subject: [PATCH] reduce unnecessary allocate in GetOrRegisterGaugeFloat64()

---
 gauge_float64.go      | 2 +-
 gauge_float64_test.go | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gauge_float64.go b/gauge_float64.go
index 3962e6d..527ffe7 100644
--- a/gauge_float64.go
+++ b/gauge_float64.go
@@ -18,7 +18,7 @@ func GetOrRegisterGaugeFloat64(name string, r Registry) GaugeFloat64 {
 	if nil == r {
 		r = DefaultRegistry
 	}
-	return r.GetOrRegister(name, NewGaugeFloat64()).(GaugeFloat64)
+	return r.GetOrRegister(name, NewGaugeFloat64).(GaugeFloat64)
 }
 
 // NewGaugeFloat64 constructs a new StandardGaugeFloat64.
diff --git a/gauge_float64_test.go b/gauge_float64_test.go
index 6769b95..5dae11f 100644
--- a/gauge_float64_test.go
+++ b/gauge_float64_test.go
@@ -66,4 +66,7 @@ func TestGetOrRegisterFunctionalGaugeFloat64(t *testing.T) {
 	if g := GetOrRegisterGaugeFloat64("foo", r); 47 != g.Value() {
 		t.Fatal(g)
 	}
+	if g := GetOrRegisterGaugeFloat64("foo.xxx", r); 0.0 != g.Value() {
+		t.Fatal(g)
+	}
 }