autobind

autobind

autobind decorator

#### Usage

###### Auto bind method

``js
class A {
constructor() {
this.x = 123;
}
@autobind
f() {
return this.x;
}
g() {
return this.x;
}
}

var a = new A();

a.f.call({ x: 456 }) === 123; // true
a.g.call({ x: 456 }) === 456; // true
`

###### Auto bind class methods

`js
@autobind
class A {
constructor() {
this.x = 123;
}
f() {
return this.x;
}
g() {
return this.x;
}
}

var a = new A();

a.f.call({ x: 456 }) === 123; // true
a.g.call({ x: 456 }) === 123; // true
``