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discard """
output: '''false'''
"""
import macros
type
nlOptions = enum
nloNone
nloDebug
var nlOpts {.compileTime.} = {nloDebug}
proc initOpts(): set[nlOptions] =
result.incl nloDebug
result.incl nloNone
result.excl nloDebug
const cOpts = initOpts()
macro nlo(): typed =
nlOpts.incl(nloNone)
nlOpts.excl(nloDebug)
result = newEmptyNode()
nlo()
echo nloDebug in cOpts
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