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feat(koan): add a koan about rounding pitfalls #290

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feat(koan): add a koan about rounding pitfalls #290

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0436be0
feat(koan): add a koan about rounding pitfalls
Goutte Jul 15, 2024
4aa94d5
test: test the koan about rounding dragons
Goutte Jul 16, 2024
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4 changes: 4 additions & 0 deletions lib/koans/03_numbers.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,10 @@ defmodule Numbers do
assert Float.round(-5.5674, 3) === ___
end

koan "But beware of floating dragons" do
assert Float.round(2.675, 2) == ___
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end

koan "I want the first and last in the range" do
first..last = Range.new(1, 10)

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1 change: 1 addition & 0 deletions test/koans/numbers_koans_test.exs
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Expand Up @@ -28,6 +28,7 @@ defmodule NumbersTests do
99.0,
12.34,
{:multiple, [6.0, 5.0, 8.9, -5.567]},
2.67,
{:multiple, [1, 10]},
{:multiple, [true, true, false]},
{:multiple, [true, false]}
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