setup a small rust environment

lua/custom/chadrc.lua

@@ -0,0 +1,6 @@
+---@type ChadrcConfig 
+ local M = {}
+ M.ui = {theme = 'gatekeeper'}
+ M.plugins = 'custom.plugins'
+ M.mappings = require "custom.mappings"
+ return M

lua/custom/configs/lspconfig.lua

@@ -0,0 +1,6 @@
+local on_attach = require("plugins.configs.lspconfig").on_attach
+local capabilities = require("plugins.configs.lspconfig").capabilities
+local lspconfig = require("lspconfig")
+local util = require "lspconfig/util"
+
+

lua/custom/configs/rust-tools.lua

@@ -0,0 +1,10 @@
+local on_attach = require("plugins.configs.lspconfig").on_attach
+local capabilities = require("plugins.configs.lspconfig").capabilities
+
+local options = {
+    server = {
+        on_attach = on_attach,
+        capabilities = capabilities,
+    }
+}
+return options

lua/custom/init.lua

@@ -0,0 +1,6 @@
+vim.opt.colorcolumn = "180"
+vim.opt.expandtab = true
+vim.opt.tabstop = 4
+vim.opt.softtabstop = 0
+vim.opt.shiftwidth = 0
+

lua/custom/mappings.lua

@@ -0,0 +1,30 @@
+local M = {}
+
+M.dap = {
+    n = {
+        ["<leader>db"] = {
+            "<cmd> DapToggleBreakpoint <CR>",
+            "Toggle Breakpoint"
+        },
+        ["<leader>dus"] = {
+            function ()
+                local widgets = require("dap.ui.widgets");
+                local sidebar = widgets.sidebar(widgets.scopes);
+                sidebar.open();
+            end,
+            "Open debugging sidebar"
+        },
+        ["<leader>dc"] = {
+            "<cmd> DapContinue <CR>",
+            "Continue debugging"
+        },
+        ["<leader>rcu"] = {
+            function ()
+                require("crates").upgrade_all_crates()
+            end,
+            "Update all rust crates"
+        }
+    }
+}
+
+return M

lua/custom/plugins.lua

@@ -0,0 +1,57 @@
+local plugins = {
+        {
+        "neovim/nvim-lspconfig",
+        config = function()
+            require "plugins.configs.lspconfig"
+require "custom.configs.lspconfig"
+        end
+    },
+    {
+        "williamboman/mason.nvim",
+        opts = {
+            ensure_installed = {
+                "lua-language-server",
+                "rust-analyzer"
+            }
+        }
+    },
+    {
+        "rust-lang/rust.vim",
+        ft = "rust",
+        init = function ()
+            vim.g.rustfmt_autosave = 1
+        end
+    },
+    {
+        "simrat39/rust-tools.nvim",
+        ft = "rust",
+        dependencies = "neovim/nvim-lspconfig",
+        opts = function ()
+            return require "custom.configs.rust-tools"
+        end,
+        config = function (_, opts)
+            require("rust-tools").setup(opts)
+        end
+    },
+    {
+        "mfussenegger/nvim-dap"
+    },
+    {
+        "saecki/crates.nvim",
+        ft = {"rust", "toml"},
+        config = function (_, opts)
+            local crates = require("crates")
+            crates.setup(opts)
+            crates.show()
+        end
+    },
+    {
+        "hrsh7th/nvim-cmp",
+        opts = function ()
+            local M = require "plugins.configs.cmp",
+            table.insert(M.sources, {name = "crates"})
+            return M
+        end
+    }
+}
+return plugins