Method set

forge-core/src/main/java/forge/util/Settable.java:23–27

Set this instance. Any subsequent calls on #isSet() will return true. @return whether the value changed as a result of this call.

()

     * @return whether the value changed as a result of this call.
     */
    public synchronized boolean set() {
        final boolean wasUnset = !isSet;
        isSet = true;
        return wasUnset;
    }

    /**
     * Check whether this instance has already been set. If {@link #set()} was