cmp.setup.cmdline return nil

[singlexyz]

:lua print(require('cmp').setup.cmdline) return a nil too.

cmp-cmdline installed.

  -- cmp
  use 'hrsh7th/nvim-cmp'
  use 'hrsh7th/cmp-vsnip'
  use 'hrsh7th/cmp-nvim-lsp'
  use 'hrsh7th/cmp-buffer'
  use 'hrsh7th/cmp-path'
  use 'hrsh7th/cmp-calc'
  use 'hrsh7th/cmp-emoji'
  use 'hrsh7th/cmp-cmdline'

config:

local cmp = require'cmp'
...
cmp.setup.cmdline(':', {
  sources = {
    { name = 'cmdline' }
  }
})

cmp.setup({
...
})

[hrsh7th]

See the README.md