ale clangtidy with headers using https://github.com/phcerdan/ALE

CMakeLists.txt

cmake_minimum_required(VERSION 3.1)
project(ale_test)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE BOOL "Generate compile_commands.json")
add_executable(main main.cpp)

header.h

#include <iostream>
#include <typeinfo>

// In this header set:
// let b:ale_cpp_clangtidy_header_sourcefile='main.cpp'

template<typename T>
void hello() {
    std::cout << "Hola!" << std::endl;
    std::cout << "type name:" << typeid(T).name()  << std::endl;
}

main.cpp

#include "header.h"

int main()
{
    hello<int>();
    hello<double>();
}