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add hello world example (#142)

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EnokMan 2019-12-27 19:41:44 +08:00 committed by Ry Dahl
parent 29fa5388f5
commit f2cc688439
2 changed files with 40 additions and 0 deletions
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1
.gitignore vendored
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@ -2,4 +2,5 @@
**/*.orig
/.vscode/
/.idea/
/target/

39
src/lib.rs
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@ -1,5 +1,44 @@
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
//! # Hello World Example
//!
//! ```
//! use rusty_v8::{Isolate, V8, HandleScope, Script, Context, Locker, Local};
//! use rusty_v8::{platform, new_default_allocator};
//!
//! let platform = platform::new_default_platform();
//! V8::initialize_platform(platform);
//! V8::initialize();
//!
//! let mut create_params = Isolate::create_params();
//! create_params.set_array_buffer_allocator(new_default_allocator());
//! let isolate = Isolate::new(create_params);
//! let mut locker = Locker::new(&isolate);
//!
//! {
//! let mut handle_scope = HandleScope::new(&mut locker);
//! let scope = handle_scope.enter();
//!
//! let mut context = Context::new(scope);
//! context.enter();
//! let code = rusty_v8::String::new(scope, "'Hello World!'").unwrap();
//! code.to_rust_string_lossy(scope);
//! let mut script = Script::compile(scope, context, code, None).unwrap();
//! let result = script.run(scope, context).unwrap();
//! let result: Local<rusty_v8::String> = unsafe { std::mem::transmute_copy(&result) };
//!
//! let str = result.to_rust_string_lossy(scope);
//!
//! println!("{}", str);
//!
//! context.exit();
//! }
//!
//! drop(locker);
//!
//! ```
//!
#![allow(clippy::missing_safety_doc)]
#![allow(dead_code)]