nvim/lua/debug.lua

-- Setup nvim-cmp.
local cmp = require("cmp")

cmp.setup({
	snippet = {
		expand = function(args)
			--vim.fn["vsnip#anonymous"](args.body)
			require("luasnip").lsp_expand(args.body)
		end,
	},
	mapping = {
		["<C-d>"] = cmp.mapping.scroll_docs(-4),
		["<C-f>"] = cmp.mapping.scroll_docs(4),
		["<C-Space>"] = cmp.mapping.complete(),
		["<C-e>"] = cmp.mapping.close(),
		["<CR>"] = cmp.mapping.confirm({ select = true }),
	},
	sources = {
		{ name = "nvim_lsp" },

		-- For vsnip user.
		{ name = "vsnip" },

		-- For luasnip user.
		-- { name = 'luasnip' },

		-- For ultisnips user.
		-- { name = 'ultisnips' },

		{ name = "buffer" },
	},
})

-- Setup lsp.
metals_config = require("metals").bare_config
metals_config.init_options.statusBarProvider = "on"
metals_config.settings = { showImplicitArguments = true }
metals_config.on_attach = on_attach
metals_config.capabilities = require("cmp_nvim_lsp").update_capabilities(vim.lsp.protocol.make_client_capabilities())