.gitignore

compile_commands.json
build
.cache
out

CMakeLists.txt

cmake_minimum_required(VERSION 3.28)

project(mylib)

option(BUILD_SHARED_LIBS "Build using shared libraries" ON)

set(CMAKE_CXX_STANDARD 20)

add_library(mylib mylib.cpp)

target_include_directories(mylib PUBLIC "${CMAKE_CURRENT_LIST_DIR}/include")

CMakePresets.json

{
    "version": 3,
    "cmakeMinimumRequired": {
        "major": 3,
        "minor": 22
    },
    "configurePresets": [
        {
            "hidden": true,
            "name": "base",
            "generator": "Ninja",
            "binaryDir": "build/${presetName}"
        },
        {
            "name": "Debug",
            "inherits": "base",
            "cacheVariables": {
                "CMAKE_BUILD_TYPE": "Debug"
            }
        },
        {
            "name": "Release",
            "inherits": "base",
            "cacheVariables": {
                "CMAKE_BUILD_TYPE": "Release"
            }
        }
    ]
}

main.cpp

#include <iostream>
#include "mylib.h"

int main(int argc, char *argv[])
{
    Thing t(5);
    t.output(std::string_view("lol"));
    return 0;
}

mylib.cpp

#include "include/mylib.h"

std::string_view Thing::prefix() const
{
    return std::string_view("hello: ");
}

mylib.h

#include <iostream>
#include <string_view>

struct Thing {
public:
    Thing(int i) : i(i) {}

    template<typename T>
    void output(T t) const {
        std::cout << prefix() << t << '\n';
    }
private:
    std::string_view prefix() const;
    int i;
};

test.sh

#!/bin/bash

while true; do
    rm -rf ~/.cache/cmake_tools_nvim/homeossedevdep* build
    nvim main/main.cpp || break
done