src/compiler.js
function binOpEmitter(str) {
    return function(node, frame) {
        this.compile(node.left, frame);
        this.emit(str);
        this.compile(node.right, frame);
    };
}
function binOpEmitter(str) {
    return function(node, frame) {
        this.compile(node.left, frame);
        this.emit(str);
        this.compile(node.right, frame);
    };
}
function binOpEmitter ( str ) { return function ( node , frame ) { this . compile ( node . left , frame ) ; this . emit ( str ) ; this . compile ( node . right , frame ) ; } ; }
A common pattern is to emit binary operators
A common pattern is to emit binary operators