Implement support for %#v and %#+v in Formatter.

This commit implements feature request #3.  In particular, it allows the
formatter to respond to %#v and %#+v.  The # flag (%#v) adds type
information to the output and the combination of the # and + flags (%#+v)
adds both type information and pointer information.  This allows the
consumer a choice between displaying types, pointer information, or both.

1 files changed, 1 insertions, 11 deletions

diff --git a/spew/common.go b/spew/common.go
index 30fb450..945b0b0 100644
--- a/spew/common.go
+++ b/spew/common.go
@@ -70,7 +70,7 @@ var (
 	iBytes                = []byte("i")
 	trueBytes             = []byte("true")
 	falseBytes            = []byte("false")
-	interfaceBytes        = []byte("(interface {}) ")
+	interfaceBytes        = []byte("(interface {})")
 	commaNewlineBytes     = []byte(",\n")
 	newlineBytes          = []byte("\n")
 	openBraceBytes        = []byte("{")
@@ -102,16 +102,6 @@ var (
 // hexDigits is used to map a decimal value to a hex digit.
 var hexDigits = "0123456789abcdef"
 
-// unpackValue returns values inside of non-nil interfaces when possible.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v
-}
-
 // catchPanic handles any panics that might occur during the handleMethods
 // calls.
 func catchPanic(w io.Writer, v reflect.Value) {