vim: Add rustopendocs command

home/vim-dev/dev.lua

@@ -62,6 +62,20 @@ require'lspconfig'.rnix.setup{
 require'lspconfig'.rust_analyzer.setup{
   on_attach = on_attach,
   capabilities = capabilities,
+  commands = {
+    RustOpenDocs = {
+      function()
+        vim.lsp.buf_request(vim.api.nvim_get_current_buf(), 'experimental/externalDocs', vim.lsp.util.make_position_params(), function(err, url)
+          if err then
+            error(tostring(err))
+          else
+            vim.fn['netrw#BrowseX'](url, 0)
+          end
+        end)
+      end,
+      description = 'Open documentation for the symbol under the cursor in default browser',
+    },
+  },
 }
 require'lspconfig'.dhall_lsp_server.setup{
   on_attach = on_attach,