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maiha/select with timeout.cr

Created July 19, 2016 06:28
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Crystal lang tips
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select with timeout.cr
# https://github.com/crystal-lang/crystal/issues/2990#issuecomment-232775971
spawn do
sleep 10
ch.close
end
spawn do
sleep 20
ch.send 1 # => Exception
end
res = ch.receive rescue "timeouted"
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