-- create a circular buffer with five items
u=.circularQueue~of("a", "b", "c", "d", "e")
say "content: ["u"]," "content (LIFO): ["u~string("->","L")"]"
say

u~resize(4, "FIFO")     -- resize fifo-style (keep newest)
say "after resizing to 4 items in FIFO style (keeping the newest):"
say "content: ["u"]," "content (LIFO): ["u~string("->","L")"]"
say

u~resize(2, "LIFO")     -- resize lifo-style (keep oldest)
say "after resizing to 2 items in LIFO style (keeping the oldest):"
say "content: ["u"]," "content (LIFO): ["u~string("->","L")"]"
say

u~resize(0)             -- resize lifo-style (keep oldest)
say "after resizing to 0 items, thereby deleting all items:"
say "content: ["u"]," "content (LIFO): ["u~string("->","L")"]"
say

u~resize(2)             -- resize lifo-style (keep oldest)
say "after resizing to 2, size="u~size "and items="u~items
u~~queue('x')~~queue('y')~~queue('z')
say "after queuing the three items 'x', 'y', 'z':"
say "content: ["u"]," "content (LIFO): ["u~string("->","L")"]"
say

u~~push('1')~~push('2')~~push('3')
say "after pushing the three items '1', '2', '3':"
say "content: ["u"]," "content (LIFO): ["u~string("->","L")"]"
say

content: [a,b,c,d,e], content (LIFO): [e->d->c->b->a]

after resizing to 4 items in FIFO style (keeping the newest):
content: [b,c,d,e], content (LIFO): [e->d->c->b]

after resizing to 2 items in LIFO style (keeping the oldest):
content: [b,c], content (LIFO): [c->b]

after resizing to 0 items, thereby deleting all items:
content: [], content (LIFO): []

after resizing to 2, size=2 and items=0
after queuing the three items 'x', 'y', 'z':
content: [y,z], content (LIFO): [z->y]

after pushing the three items '1', '2', '3':
content: [3,2], content (LIFO): [2->3]