-- custom defined functions

-- Return the currently, visually selected text range
function SL_get_visual_selection()
  vim.cmd([[ execute "normal! \<ESC>" ]])
  local s_start = vim.fn.getcharpos("'<")
  local s_end = vim.fn.getcharpos("'>")
  vim.cmd([[ execute "normal! gv" ]])

  local current_buffer = vim.api.nvim_get_current_buf()
  local r = vim.api.nvim_buf_get_text(current_buffer, s_start[2] - 1, s_start[3] - 1,
    s_end[2] - 1, s_end[3], {})
  -- print("region might be", current_buffer, s_start[2], s_start[3], s_end[2], s_end[3])
  return table.concat(r, "\n")
end