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discard """
output: '''true
true
true
true inner B'''
"""
template withValue(a, b, c, d, e: untyped) =
if c:
d
else:
e
template withValue(a, b, c, d: untyped) =
if c:
d
const
EVENT_READ = 1
EVENT_WRITE = 2
FLAG_HANDLE = 3
EVENT_MASK = 3
var s: string
proc main =
var value = false
var fd = 8888
var event = 0
s.withValue(fd, value) do:
if value:
var oe = (EVENT_MASK)
if (oe xor event) != 0:
if (oe and EVENT_READ) != 0 and (event and EVENT_READ) == 0:
discard
if (oe and EVENT_WRITE) != 0 and (event and EVENT_WRITE) == 0:
discard
if (oe and EVENT_READ) == 0 and (event and EVENT_READ) != 0:
discard
if (oe and EVENT_WRITE) == 0 and (event and EVENT_WRITE) != 0:
discard
else:
raise newException(ValueError, "error")
do:
raise newException(ValueError, "Descriptor is not registered in queue")
proc main2 =
var unused = 8
# test 'then' branch:
s.withValue(unused, true) do:
echo "true"
do:
echo "false"
# test overloading:
s.withValue(unused, false) do:
echo "cannot come here"
# test 'else' branch:
s.withValue(unused, false) do:
echo "false"
do:
echo "true"
# test proper nesting:
s.withValue(unused, false) do:
echo "false"
s.withValue(unused, false) do:
echo "false inner A"
do:
echo "true inner A"
do:
echo "true"
s.withValue(unused, false) do:
echo "false inner B"
do:
echo "true inner B"
main2()
|