Deque.pushback
From OpenEUO
Calling Pattern
Call
local d = sl.deque() -- later local r = d.pushback(a)
Args
a is any type but nil
Results
r is any type
Description
Calling pushback adds a value to the back of the queue. Use null in lieu of nil for nil values. Pushback returns true upon success.
Upon Error
Errors are reported and handled according to the operant error redirection mode.
