njlr

#include <gtest/gtest.h>
#include <mathutils/add.hpp>

TEST(mathutils, add) {
  ASSERT_EQ(3, add(1, 2));
  ASSERT_EQ(7, add(4, 3));
}

njlr

cxx_binary(
  name = 'demo',
  header_namespace = 'demo',
  headers = subdir_glob([
    ('demo/include', '**/*.hpp'),
  ]),
  srcs = glob([
    'demo/src/**/*.cpp',
  ]),
)

njlr

[cxx]
  gtest_dep = //googletest:gtest

njlr

#include <iostream>
#include <mathutils/add.hpp>

int main() {
  std::cout << "Hello, world. " << std::endl;
  std::cout << "3 + 4 = " << add(3, 4) << std::endl;
  return 0;
}

njlr

cxx_binary(
  name = 'demo',
  header_namespace = 'demo',
  headers = subdir_glob([
    ('demo/include', '**/*.hpp'),
  ]),
  srcs = glob([
    'demo/src/**/*.cpp',
  ]),
  deps = [

njlr

cxx_library(
  name = 'mathutils',
  header_namespace = 'mathutils',
  exported_headers = subdir_glob([
    ('include', '**/*.hpp'),
  ]),
  srcs = glob([
    'src/**/*.cpp',
  ]),
  visibility = [

njlr

#include <mathutils/add.hpp>

int add(int x, int y) {
  return x + y;
}

njlr

#ifndef MATH_HPP
#define MATH_HPP

int add(int x, int y);

#endif

njlr

cxx_binary(
  name = 'buck-cpp-example',
  header_namespace = 'buck-cpp-example',
  srcs = glob([
    'buck-cpp-example/src/**/*.cpp',
  ]),
  headers = subdir_glob([
    ('buck-cpp-example/include', '**/*.hpp'),
  ]),
)

njlr

#include <iostream>

int main() {
  std::cout << "Hello, world. " << std::endl;
  return 0;
}