add vendor

vendor/github.com/vmihailenco/msgpack/v4/codes/codes.go

@@ -0,0 +1,90 @@
+package codes
+
+type Code byte
+
+var (
+	PosFixedNumHigh Code = 0x7f
+	NegFixedNumLow  Code = 0xe0
+
+	Nil Code = 0xc0
+
+	False Code = 0xc2
+	True  Code = 0xc3
+
+	Float  Code = 0xca
+	Double Code = 0xcb
+
+	Uint8  Code = 0xcc
+	Uint16 Code = 0xcd
+	Uint32 Code = 0xce
+	Uint64 Code = 0xcf
+
+	Int8  Code = 0xd0
+	Int16 Code = 0xd1
+	Int32 Code = 0xd2
+	Int64 Code = 0xd3
+
+	FixedStrLow  Code = 0xa0
+	FixedStrHigh Code = 0xbf
+	FixedStrMask Code = 0x1f
+	Str8         Code = 0xd9
+	Str16        Code = 0xda
+	Str32        Code = 0xdb
+
+	Bin8  Code = 0xc4
+	Bin16 Code = 0xc5
+	Bin32 Code = 0xc6
+
+	FixedArrayLow  Code = 0x90
+	FixedArrayHigh Code = 0x9f
+	FixedArrayMask Code = 0xf
+	Array16        Code = 0xdc
+	Array32        Code = 0xdd
+
+	FixedMapLow  Code = 0x80
+	FixedMapHigh Code = 0x8f
+	FixedMapMask Code = 0xf
+	Map16        Code = 0xde
+	Map32        Code = 0xdf
+
+	FixExt1  Code = 0xd4
+	FixExt2  Code = 0xd5
+	FixExt4  Code = 0xd6
+	FixExt8  Code = 0xd7
+	FixExt16 Code = 0xd8
+	Ext8     Code = 0xc7
+	Ext16    Code = 0xc8
+	Ext32    Code = 0xc9
+)
+
+func IsFixedNum(c Code) bool {
+	return c <= PosFixedNumHigh || c >= NegFixedNumLow
+}
+
+func IsFixedMap(c Code) bool {
+	return c >= FixedMapLow && c <= FixedMapHigh
+}
+
+func IsFixedArray(c Code) bool {
+	return c >= FixedArrayLow && c <= FixedArrayHigh
+}
+
+func IsFixedString(c Code) bool {
+	return c >= FixedStrLow && c <= FixedStrHigh
+}
+
+func IsString(c Code) bool {
+	return IsFixedString(c) || c == Str8 || c == Str16 || c == Str32
+}
+
+func IsBin(c Code) bool {
+	return c == Bin8 || c == Bin16 || c == Bin32
+}
+
+func IsFixedExt(c Code) bool {
+	return c >= FixExt1 && c <= FixExt16
+}
+
+func IsExt(c Code) bool {
+	return IsFixedExt(c) || c == Ext8 || c == Ext16 || c == Ext32
+}