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Papierkorb/arcane_lvar.cr

Created December 16, 2017 17:28
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Demo of type inference of local variables through concurrently ran fibers
Raw
arcane_lvar.cr
waiter = Channel(Nil).new
var = "Hello"
spawn do
waiter.receive
var = 5
end
puts "var is a #{typeof(var)}"
puts "var right now is a #{var.class}"
waiter.send(nil)
puts "var right now is a #{var.class}"
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