Learned this today. begin ... end while condition
Same as C's:
do {
...
} while condition;
Matz wants to deprecate it, but it'll probably be around for the
remainder of the 1.8 series anyway.
Note that it is distinct from the normal meaning of suffix-while:
# prints: foO!
begin
puts "foO!"
end while false
# prints nothing
puts "foO!" while false
-mental
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