iq.check

来自「JAVA 语言的函数式编程扩展」· CHECK 代码 · 共 13 行

Empty
Head: 42
q5: Queue(0,1,2,3,4,5,6,7,8,9)
q5[5]: 5
q5 == q5c: true
q5c == q5: true
q8: Queue(2,3,4,5,6,7,8,9,10,11)
q8 == q9: true
Elements:  1  2  3  4  5  6  7  8  9 
String: <1-2-3-4-5-6-7-8-9>
Length: 9
Front: 1