Methods and default parameter
Control Structures example from a Well House Consultants training course
More on Control Structures [link]
Source code: llen Module: R104
# The ladlen function has a mandatory and
# an optional parameter
def ladlen(high, wide = -1)
wide = high / 4.0 if wide == -1
Math.sqrt(high * high + wide * wide)
first = ladlen(4,3)
second = ladlen(12,5)
third = ladlen(12)
p first,second, third
WomanWithCat:r104 grahamellis$ ruby llen
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