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0racle/error-margin.p6

Created October 9, 2019 01:25
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Error Margin
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error-margin.p6
role ErrorMargin[$e] {
method ACCEPTS($lval) { $lval ~~ self - $e .. self + $e }
}
say 2.2 ~~ 2 but ErrorMargin[0.5]; # True
say 2.7 ~~ 2 but ErrorMargin[0.5]; # False
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