📝 Update README

Author: lambdalisue

README.md

@@ -13,32 +13,41 @@ for a plugin.
 By using this module, developers can write Vim/Neovim denops plugins like:
 
 ```typescript
-import { ensureString, main } from "https://deno.land/x/denops_std/mod.ts";
+import { Denops } from "https://deno.land/x/denops_std/mod.ts";
+import { execute } from "https://deno.land/x/denops_std/helper/mod.ts";
+import { ensureString } from "https://deno.land/x/unknownutil/mod.ts";
 
-main(async ({ vim }) => {
-  vim.register({
+export async function main(denops: Denops): Promise<void> {
+  denops.dispatcher = {
     async say(where: unknown): Promise<void> {
-      ensureString(where, "where");
-      const name = await vim.call("input", "Your name: ");
-      const progname = await vim.eval("v:progname");
+      // Ensure that `where` is `string` here
+      ensureString(where);
+      // Use `call` to call Vim's function
+      const name = await denops.call("input", "Your name: ");
+      // Use `eval` to evaluate Vim's expression
+      const progname = await denops.eval("v:progname");
+      // Construct messages
       const messages = [
         `Hello ${where}`,
         `Your name is ${name}`,
         `This is ${progname}`,
       ];
-      await vim.cmd(`redraw | echomsg message`, {
+      // Use `cmd` to execute Vim's command
+      await denops.cmd(`redraw | echomsg message`, {
         message: messages.join(". "),
       });
     },
-  });
-
-  await vim.execute(`
-    command! HelloWorld call denops#notify("${vim.name}", "say", ["World"])
-    command! HelloDenops call denops#notify("${vim.name}", "say", ["Denops"])
-  `);
-
-  console.log("denops plugin has loaded");
-});
+  };
+
+  // Use 'execute()' to execute multiline Vim script
+  await execute(
+    denops,
+    `
+    command! HelloWorld call denops#notify("${denops.name}", "say", ["World"])
+    command! HelloDenops call denops#notify("${denops.name}", "say", ["Denops"])
+    `,
+  );
+}
 ```
 
 See [denops-helloworld.vim](https://github.com/vim-denops/denops-helloworld.vim)