commit 109ee590a80211f1df6f6c00cc77ccb8b838f21f
author Dave Cheney <dave@cheney.net> Fri Apr 22 19:32:12 2016 +0900
committer Dave Cheney <dave@cheney.net> Fri Apr 22 19:32:12 2016 +0900
tree 4d2403c176625d51b3a88da7305ee4091fce4e53
parent 258d1265c4925b67edea391cdba1a34d03acdd62

simplify pc

errors.go

diff --git a/errors.go b/errors.go
index 31ca468..8b9a230 100644
--- a/errors.go
+++ b/errors.go
@@ -28,12 +28,13 @@
 
 // New returns an error that formats as the given text.
 func New(text string) error {
+	pc, _, _, _ := runtime.Caller(1)
 	return struct {
 		error
 		loc
 	}{
 		fmt.Errorf(text),
-		loc(pc()),
+		loc(pc),
 	}
 }
 
@@ -57,10 +58,11 @@
 	if cause == nil {
 		return nil
 	}
+	pc, _, _, _ := runtime.Caller(1)
 	return &e{
 		cause:   cause,
 		message: message,
-		loc:     loc(pc()),
+		loc:     loc(pc),
 	}
 }
 
@@ -132,8 +134,3 @@
 		err = cause.Cause()
 	}
 }
-
-func pc() uintptr {
-	pc, _, _, _ := runtime.Caller(2)
-	return pc
-}