feat(neovim): started rust configuration and tweaked some lsp stuff

.config/nvim/lua/custom/config/language-servers.lua

@@ -1,29 +1,28 @@
 -- NOTE: A list of language servers (and potentially their config)
 -- Accepts either true to enable, false to disable or a table with settings
 return {
-    -- lua_ls = {
-    --     settings = {
-    --         diagnostics = {
-    --             globals = { 'vim' },
-    --         },
-    --         workspace = {
-    --             library = {
-    --                 [vim.fn.expand('$VIMRUNTIME/lua')] = true,
-    --                 [vim.fn.stdpath('config') .. '/lua'] = true,
-    --             },
-    --         },
-    --     },
-    -- },                             -- lua
-    lua_ls = true, -- lua
-    clangd = true,                 -- C/C++
-    gradle_ls = true,              -- java package manager
-    jdtls = true,                  -- java eclipse lsp
+    lua_ls = {
+        settings = {
+            diagnostics = {
+                globals = { 'vim' },
+            },
+            workspace = {
+                library = {
+                    [vim.fn.expand('$VIMRUNTIME/lua')] = true,
+                    [vim.fn.stdpath('config') .. '/lua'] = true,
+                },
+            },
+        },
+    },                             -- lua
+    clangd = true, -- C/C++
+    gradle_ls = true, -- java package manager
+    jdtls = true, -- java eclipse lsp
     kotlin_language_server = true, -- kotlin
-    pyright = true,                -- python
-    rust_analyzer = true,          -- rust
-    bashls = true,                 -- bash
-    taplo = true,                  -- toml
-    lemminx = true,                -- xml
-    yamlls = true,                 -- yaml
-    jsonls = true,                 -- json
+    pyright = true, -- python
+    rust_analyzer = false, -- NOTE: using rustaceanvim
+    bashls = true, -- bash
+    taplo = true, -- toml
+    lemminx = true, -- xml
+    yamlls = true, -- yaml
+    jsonls = true, -- json
 }

.config/nvim/lua/custom/config/lsp.lua

@@ -1,8 +1,11 @@
-local capabilities = require('cmp_nvim_lsp').default_capabilities()
-local servers = require('custom.config.language-servers')
-
 local lspconfig = require('lspconfig')
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
+
+local servers = require('custom.config.language-servers')
 for name, config in pairs(servers) do
+    if config == false then
+        goto continue
+    end
     if config == true then
         ---@diagnostic disable-next-line: cast-local-type
         config = {}
@@ -13,6 +16,7 @@ for name, config in pairs(servers) do
     }, config)
 
     lspconfig[name].setup(config)
+    ::continue::
 end
 
 vim.api.nvim_create_autocmd('LspAttach', {

.config/nvim/lua/custom/config/options.lua

@@ -44,3 +44,6 @@ vim.g.loaded_node_provider = 0
 vim.g.loaded_perl_provider = 0
 vim.g.loaded_ruby_provider = 0
 vim.g.loaded_python3_provider = 0
+
+-- LSP
+vim.lsp.inlay_hint.enable()

.config/nvim/lua/custom/config/rustaceanvim.lua

@@ -0,0 +1,32 @@
+---@type RustaceanOpts
+vim.g.rustaceanvim = {
+    ---@type RustaceanToolsOpts
+    tools = {
+        float_win_config = {
+            border = 'rounded',
+        },
+    },
+    ---@type RustaceanLspClientOpts
+    server = {
+        on_attach = function(_, bufnr)
+            local keymaps = {
+                { { 'n', 'i' }, '<M-Enter>', '<cmd>RustLsp codeAction<cr>', { desc = 'Code Action' } },
+            }
+
+            for _, keymap in ipairs(keymaps) do
+                local modes = keymap[1]
+                local lhs = keymap[2]
+                local rhs = keymap[3]
+                local opts = keymap[4]
+                opts.buffer = bufnr
+
+                vim.keymap.set(modes, lhs, rhs, opts)
+            end
+        end,
+        default_settings = {
+            ['rust-analyzer'] = {},
+        },
+    },
+    ---@type RustaceanDapOpts
+    dap = {},
+}

.config/nvim/lua/custom/plugins/rustaceanvim.lua

@@ -0,0 +1,8 @@
+return {
+    'mrcjkb/rustaceanvim',
+    version = '^4',
+    lazy = false, -- already lazy
+    init = function ()
+        require("custom.config.rustaceanvim")
+    end
+}