function map(mode, shortcut, command)
    vim.keymap.set(mode, shortcut, command, { noremap = true, silent = true })
end

map('n', '<space>', '<nop>')

vim.g.mapleader = ','

map('n', '<Leader>b',   ':buffers<CR>:buffer<Space>')
map('n', '<M-Left>',    ':bprevious<cr>')
map('n', '<M-Right>',   ':bnext<cr>')
map('i', '<M-Left>',    '<esc>:bprevious<cr>')
map('i', '<M-Right>',   '<esc>:bnext<cr>')

map('n', '<M-S-Left>',  ':tabprevious<cr>')
map('n', '<M-S-Right>', ':tabnext<cr>')
map('i', '<M-S-Left>',  '<esc>:tabprevious<cr>')
map('i', '<M-S-Right>', '<esc>:tabnext<cr>')

map('n', '<M-BS>',      'db')
vim.cmd([[map! <M-BS> <C-W>]])  -- TODO: figure out how to do that with lua
map('n', '<C-Del>',     'dw')
map('i', '<C-Del>',     '<C-O>dw')