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Apologies for being late today… 'twas distracted by my English
One-Liners Mashup (#177)
This week is going to be very informal, and without any particular
task or submission. It’s hunting season, and we’re hunting one-liners.
Basically, we’ll start with the simple problem I’ve presented below.
Your solution must fit in one line. (Golfing is okay, but not
necessary. One line generally means about 80 chars wide, but we’re
flexible here.) If you are writing a method, the
def foo(args) and
class Whatever and
end for adding methods to a class)
doesn’t count… the body of the method will.
Of course, your solutions should be generally useful, and not hard-
coded to solve any particular example used to illustrate what the
solution should do.
Post your solution AND a followup problem for others to solve. Repeat
ad nauseum (or until about Wed/Thu).
Ready? Here goes. First problem…
You should know this pattern well:
> [:one, "two", 4] * 3 => [:one, "two", 4, :one, "two", 4, :one, "two", 4]
Write a single line method on Array that does this instead:
> [:one, "two", 4].repeat(3) => [:one, :one, :one, "two", "two", "two", 4, 4, 4]