undo renaming to prevent links from breaking when order changes, add …

…classes example

README.md

@@ -2,6 +2,18 @@
 
 [![Build Status](https://travis-ci.com/amilajack/examples.svg?branch=master)](https://travis-ci.com/amilajack/examples)
 
+## Table of Contents
+
+1. [hello world](https://github.com/amilajack/neon-examples/tree/master/hello-world)
+2. [electron app]((https://github.com/amilajack/neon-examples/tree/master/electron-app))
+3. [word counting](https://github.com/amilajack/neon-examples/tree/master/word-counting)
+4. [bigint task]((https://github.com/amilajack/neon-examples/tree/master/bigint-task))
+5. [binary](https://github.com/amilajack/neon-examples/tree/master/binary)
+6. [json]((https://github.com/amilajack/neon-examples/tree/master/json))
+7. [json]((https://github.com/amilajack/neon-examples/tree/master/classes))
+
+## Setup
+
 ```bash
 git clone https://github.com/amilajack/examples
 cd examples

classes/README.md

@@ -0,0 +1,3 @@
+# classes
+
+A simple example of a Neon class.

classes/lib/index.js

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+var addon = require('../native');
+
+exports.Greeter = addon.Greeter;
+exports.Uncallable = addon.Uncallable;

classes/native/Cargo.toml

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+[package]
+name = "neon-class-example"
+version = "0.0.1"
+authors = ["Dave Herman <dherman@mozilla.com>"]
+license = "MIT"
+
+[lib]
+name = "neon_class_example"
+crate-type = ["dylib"]
+
+[dependencies]
+neon = "0.2"

classes/native/src/lib.rs

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+#[macro_use]
+extern crate neon;
+
+use neon::prelude::*;
+
+pub struct User {
+    id: i32,
+    first_name: String,
+    last_name: String,
+    email: String,
+}
+
+type Unit = ();
+
+declare_types! {
+  pub class JsUser for User {
+    init(mut cx) {
+      let id = cx.argument::<JsNumber>(0)?;
+      let first_name: Handle<JsString> = cx.argument::<JsString>(1)?;
+      let last_name: Handle<JsString> = cx.argument::<JsString>(2)?;
+      let email: Handle<JsString> = cx.argument::<JsString>(3)?;
+
+      Ok(User {
+        id: id.value() as i32,
+        first_name: first_name.value(),
+        last_name: last_name.value(),
+        email: email.value(),
+      })
+    }
+
+    method get(mut cx) {
+      let attr: String = cx.argument::<JsString>(0)?.value();
+
+      let this = cx.this();
+
+      match &attr[..] {
+        "id" => {
+          let id = {
+            let guard = cx.lock();
+            let user = this.borrow(&guard);
+            user.id
+          };
+          Ok(cx.number(id).upcast())
+        },
+        "first_name" => {
+          let first_name = {
+            let guard = cx.lock();
+            let user = this.borrow(&guard);
+            user.first_name.clone()
+          };
+          Ok(cx.string(&first_name).upcast())
+        },
+        "last_name" => {
+          let last_name = {
+            let guard = cx.lock();
+            let user = this.borrow(&guard);
+            user.last_name.clone()
+          };
+          Ok(cx.string(&last_name).upcast())
+        },
+        "email" => {
+          let email = {
+            let guard = cx.lock();
+            let user = this.borrow(&guard);
+            user.email.clone()
+          };
+          Ok(cx.string(&email).upcast())
+        },
+        _ => cx.throw_type_error("property does not exist")
+      }
+    }
+
+    method panic(_) {
+      panic!("User.prototype.panic")
+    }
+  }
+}
+register_module!(mut cx, {
+    cx.export_class::<JsUser>("User")
+});