Add a bunch of bindings to interact with the vim argument list

.config/nvim/lua/sheldonmlee/remap.lua

@@ -1,5 +1,48 @@
 vim.g.mapleader = " "
+-- fzf intergration
 vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)
-vim.keymap.set("n", "<leader>f", vim.cmd.Files)
+vim.keymap.set("n", "<leader>ff", vim.cmd.Files)
-vim.keymap.set("n", "<leader>t", vim.cmd.Tags)
+vim.keymap.set("n", "<leader>ft", vim.cmd.Tags)
-vim.keymap.set("n", "<leader>rg", vim.cmd.Rg)
+vim.keymap.set("n", "<leader>fr", vim.cmd.Rg)
+--
+-- Vim argument list bindings
+--
+-- Generate list of arg action callbacks, which then executes vim.cmd.args()
+-- to show argument list aftter performing normal argument action
+--
+-- pcall() is used to catch errors, but not do anything with them
+local arg_actions = {
+	"argu",
+	"next",
+	"prev",
+	"first",
+	"last",
+}
+local arg_action = {}
+for _, action in ipairs(arg_actions) do
+	arg_action[action] = function()
+		pcall(vim.cmd, action)
+		vim.cmd.args()
+	end
+end
+-- Generate list of callbacks that execute argu n from n = 1 to 4
+-- argu_n[n] is a function that executes vim.cmd.argu(n)
+local argu_n = {}
+for n = 1, 4 do
+	argu_n[n] = function()
+		pcall(vim.cmd.argu, {n, bang=true})
+		vim.cmd.args()
+	end
+end
+
+vim.keymap.set("n", "<leader>a", vim.cmd.args)
+vim.keymap.set("n", "<leader>u", arg_action["argu"])
+vim.keymap.set("n", "<leader>an", arg_action["next"])
+vim.keymap.set("n", "<leader>ap", arg_action["prev"])
+vim.keymap.set("n", "<leader>af", arg_action["first"])
+vim.keymap.set("n", "<leader>al", arg_action["last"])
+vim.keymap.set("n", "<leader>aa", argu_n[1])
+vim.keymap.set("n", "<leader>ra", argu_n[1])
+vim.keymap.set("n", "<leader>ar", argu_n[2])
+vim.keymap.set("n", "<leader>as", argu_n[3])
+vim.keymap.set("n", "<leader>at", argu_n[4])