-- Header guard snippet
vim.keymap.set('n', ',hg', function()
  local function uuid()
    local template = 'xxxxxxxx_xxxx_4xxx_yxxx_xxxxxxxxxxxx'
    return string.gsub(template, '[xy]', function(c)
      local v = (c == 'x') and math.random(0, 0xf) or math.random(8, 0xb)
      return string.format('%X', v)
    end)
  end
  local v = '_' .. uuid()
  vim.api.nvim_put({ '#ifndef ' .. v,
    "#define " .. v,
    "",
    "namespace ng {",
    "",
    "}",
    "",
    '#endif // ' .. v,
  }, 'c', false, true)
  vim.cmd("normal! 3k")
end, { desc = 'Inser header boiler plate' })

vim.keymap.set('n', ',xx', function()
  local cmd = vim.api.nvim_replace_termcodes(":s/x/y/g<Left><Left>", true, true, true)
  vim.api.nvim_feedkeys(cmd, "n", false)
end)
vim.keymap.set('n', ',xty', function()
  vim.api.nvim_feedkeys("yyp", "n", false)
  local cmd = vim.api.nvim_replace_termcodes(":s/x/y/g<CR>", true, true, true)
  vim.api.nvim_feedkeys(cmd, "n", false)
end)