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discard """
output: 10.0
"""
type
MyFloat = object
val: float
converter to_myfloat*(x: float): MyFloat {.inline.} =
MyFloat(val: x)
proc `+`(x1, x2: MyFloat): MyFloat =
MyFloat(val: x1.val + x2.val)
proc `*`(x1, x2: MyFloat): MyFloat =
MyFloat(val: x1.val * x2.val)
template optMul{`*`(a, 2.0)}(a: MyFloat): MyFloat =
a + a
func floatMyFloat(x: MyFloat): MyFloat =
result = x * 2.0
func floatDouble(x: float): float =
result = x * 2.0
echo floatDouble(5)
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