improved token design

pkg/shsh/token.go

@@ -0,0 +1,19 @@
+package token;
+
+import (
+    "strings"
+)
+
+type operation func(Token) Token
+
+type Token struct {
+    Token *next
+    interface{} *_inner
+}
+
+func eval(string input) string {
+    ret  := new(Token)
+    iter := &ret
+
+    
+}