.. _program_listing_file_src_lttngpy_utils.hpp:

Program Listing for File utils.hpp
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_lttngpy_utils.hpp>` (``src/lttngpy/utils.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2023 Apex.AI, Inc.
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef LTTNGPY__UTILS_HPP_
   #define LTTNGPY__UTILS_HPP_
   
   #include <optional>
   #include <string>
   #include <variant>
   
   namespace lttngpy
   {
   
   inline bool starts_with(const std::string & str, const std::string & substr)
   {
     return std::equal(substr.begin(), substr.end(), str.begin());
   }
   
   inline std::optional<uint64_t> optional_stoull(const std::string & str, int base)
   {
     try {
       return static_cast<uint64_t>(std::stoull(str, nullptr, base));
     } catch (...) {
     }
     return std::nullopt;
   }
   
   template<typename T>
   inline bool is_int(const std::variant<int, T> & var)
   {
     return std::holds_alternative<int>(var);
   }
   
   }  // namespace lttngpy
   
   #endif  // LTTNGPY__UTILS_HPP_