vim.g.mapleader = ' '

function unmap(key)
    vim.api.nvim_set_keymap('', key, '', {})
end
function map(mode, key, action)
    vim.api.nvim_set_keymap(mode, key, action, {noremap = true})
end

-- some unmaps
unmap(' ')
unmap('q')
map('',  '<F1>', '<Esc>')
map('!', '<F1>', '<Esc>')

-- option control
map('n', '<Leader>c', ':setlocal cursorline!<CR>')
map('n', '<Leader>l', ':setlocal list!<CR>')
map('n', '<Leader>w', ':setlocal wrap!<CR>')

-- search
map('n', '<Leader>/', ':noh<CR>')

-- copy / paste
map('n', '<Leader>y', '"+y')
map('n', '<Leader>d', '"+d')
map('n', '<Leader>p', '"+p')
map('n', '<Leader>P', '"+P')

-- keymap switch
map('!', '<C-Space>', '<C-^>')
map('!', '<C-@>', '<C-^>')