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discard """
output: '''3060
true
3'''
"""
template arithOps: expr = (`+` | `-` | `*`)
template testOr{ (arithOps{f})(a, b) }(a, b, f: expr): expr = f(a+1, b)
let xx = 10
echo 10*xx
template t{x = (~x){y} and (~x){z}}(x, y, z: bool): stmt =
x = y
if x: x = z
var
a = true
b = true
c = false
a = b and a
echo a
# bug #798
template t012{(0|1|2){x}}(x: expr): expr = x+1
let z = 1
# outputs 3 thanks to fixpoint iteration:
echo z
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