fix bool lexical casts

oops

source/core/StarLexicalCast.cpp

@@ -10,4 +10,27 @@ void throwLexicalCastError(std::errc ec, const char* first, const char* last) {
     throw BadLexicalCast(strf("Lexical cast failed on '{}'", str));
 }
 
+template <>
+bool tryLexicalCast(bool& result, const char* first, const char* last) {
+  size_t len = last - first;
+  if (strncmp(first, "true", len) == 0)
+    result = true;
+  else if (strncmp(first, "false", len) != 0)
+    return false;
+
+  result = false;
+  return true;
+}
+
+template <>
+bool lexicalCast(const char* first, const char* last) {
+  size_t len = last - first;
+  if (strncmp(first, "true", len) == 0)
+    return true;
+  else if (strncmp(first, "false", len) != 0)
+    throwLexicalCastError(std::errc(), first, last);
+
+  return false;
+}
+
 }

source/core/StarLexicalCast.hpp

@@ -19,6 +19,9 @@ bool tryLexicalCast(Type& result, const char* first, const char* last) {
   return res.ptr == last && (res.ec == std::errc() || res.ec == std::errc::result_out_of_range);
 }
 
+template <>
+bool tryLexicalCast(bool& result, const char* first, const char* last);
+
 template <typename Type>
 bool tryLexicalCast(Type& result, String const& s) {
   return tryLexicalCast<Type>(s.utf8Ptr(), s.utf8Ptr() + s.utf8Size());
@@ -43,7 +46,6 @@ Maybe<Type> maybeLexicalCast(StringView s) {
   return maybeLexicalCast<Type>(s.utf8Ptr(), s.utf8Ptr() + s.utf8Size());
 }
 
-
 template <typename Type>
 Type lexicalCast(const char* first, const char* last) {
   Type result{};
@@ -54,6 +56,9 @@ Type lexicalCast(const char* first, const char* last) {
   return result;
 }
 
+template <>
+bool lexicalCast(const char* first, const char* last);
+
 template <typename Type>
 Type lexicalCast(StringView s) {
   return lexicalCast<Type>(s.utf8Ptr(), s.utf8Ptr() + s.utf8Size());