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discard """
output: '''0
|12|
34
'''
"""
template optWrite{
write(f, x)
((write|writeLine){w})(f, y)
}(x, y: varargs[untyped], f, w: untyped) =
w(f, "|", x, y, "|")
if true:
echo "0"
write stdout, "1"
writeLine stdout, "2"
write stdout, "3"
echo "4"
# bug #7972
template optimizeLogWrites*{
write(f, x)
write(f, y)
}(x, y: string{lit}, f: File) =
write(f, x & y)
proc foo() =
const N = 1
stdout.write("")
stdout.write("")
foo()
|