text reader passes tests

src/spider/compiler/text/Token.hpp

@@ -15,15 +15,15 @@ namespace spider {
         /** @brief Indicates if the token composition successfully matched the input boundary. */
         bool success = false;
 
-        optional<std::string_view> tag;
+        optional<std::string_view> tag = {};
 
         /**
          * @brief Holds the deep-copied UTF-32 matching substring upon victory.
          * @note Returns empty when success is false.
          */
-        std::u32string match;
+        std::u32string match = U"";
 
-        vector<TokenResult> child;
+        vector<TokenResult> child = {};
 
     };
 
@@ -61,7 +61,7 @@ namespace spider {
         std::vector<std::unique_ptr<Token>> arena;
 
         // Deduplication caches
-        std::unordered_map<std::string, const Token*> lit_cache;
+        std::unordered_map<std::string, Token*> lit_cache;
 
     public:
 
@@ -238,7 +238,7 @@ namespace spider {
 
     public:
 
-        TagToken(const Token* t, std::string_view tag, bool doflatten = false);
+        TagToken(const Token* t, std::string_view tag, bool doflatten);
 
         TokenResult test(TextReader& ctx) const override;