File: lambda.t

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puts "1..7"
def make_iterator(n)
    lambda { |incr,desc| n += incr; puts "ok #{n} - #{desc}"}
end

it1 = make_iterator(-1)
it2 = make_iterator(3)

it1.call(2,"iterator 1")
it1.call(1,"iterator 1")
it2.call(0,"iterator 2")
it2.call(1,"iterator 2")
it1.call(3,"iterator 1")

# Ruby 1.9+ style lambda syntax

m = 5
test = ->(desc) {puts "ok #{m+=1} - #{desc}"}
test.call("new lamba syntax");
test.call("new lamba syntax");