func (this *MyQueue) Pop() int {
	if len(this.s2) == 0 {
		this.sync()
	}
	v := this.s2[len(this.s2)-1]
	this.s2 = this.s2[:len(this.s2)-1]
	return v
}
/** Removes the element from in front of queue and returns that element. */
Removes the element from in front of queue and returns that element.
/ ** Removes the element from in front of queue and returns that element . * /
func (this *MyQueue) Pop() int {
	if len(this.s2) == 0 {
		this.sync()
	}
	v := this.s2[len(this.s2)-1]
	this.s2 = this.s2[:len(this.s2)-1]
	return v
}
func ( this * MyQueue ) Pop ( ) int { if len ( this . s2 ) == 0 { this . sync ( ) } v := this . s2 [ len ( this . s2 ) - 1 ] this . s2 = this . s2 [ : len ( this . s2 ) - 1 ] return v }
Removes the element from in front of queue and returns that element.
Removes the element from in front of queue and returns that element .