local function map(mode, lhs, rhs, opts)
local options = {noremap = true}
if opts then options = vim.tbl_extend('force', options, opts) end
vim.api.nvim_set_keymap(mode, lhs, rhs, options)
end
-- keybind list
map('', '<leader>c', '"+y')
--map('' , '<C-a>' , '%y+')