private Function decodeCallback()

in src/main/java/org/apache/sling/scripting/sightly/js/impl/use/UseFunction.java [120:125]

• 6 lines of code
• 2 McCabe index (conditional complexity)

    private Function decodeCallback(Object obj) {
        if (!(obj instanceof Function)) {
            throw new IllegalArgumentException("No callback argument supplied");
        }
        return (Function) obj;
    }