feat: implement codec

client/option.go

@@ -0,0 +1,21 @@
+package client
+
+import "krwu.top/krpc.v1/codec"
+
+type Options struct {
+	MagicNumber int
+	CodecType   codec.Type
+}
+
+var DefaultOptions = &Options{
+	MagicNumber: codec.MagicNumber,
+	CodecType:   codec.GobType,
+}
+
+type Option func(*Options)
+
+func WithCodecType(t codec.Type) Option {
+	return func(o *Options) {
+		o.CodecType = t
+	}
+}