Test integerness: Difference between revisions
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(expanded example for clarity, added more tests) |
(Added Elixir) |
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Test 3 (3+0i) = true |
Test 3 (3+0i) = true |
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Test 4 (0+1.2i) = false |
Test 4 (0+1.2i) = false |
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</pre> |
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=={{header|Elixir}}== |
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<lang elixir>defmodule Test do |
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def integer?(n) when n == trunc(n), do: true |
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def integer?(_), do: false |
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end |
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Enum.each([2, 2.0, 2.5, 2.000000000000001, 1.23e300, 1.0e-300, "123", '123', :"123"], fn n -> |
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IO.puts "#{inspect n} is integer?: #{Test.integer?(n)}" |
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end)</lang> |
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{{out}} |
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<pre> |
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2 is integer?: true |
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2.0 is integer?: true |
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2.5 is integer?: false |
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2.000000000000001 is integer?: false |
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1.23e300 is integer?: true |
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1.0e-300 is integer?: false |
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"123" is integer?: false |
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'123' is integer?: false |
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:"123" is integer?: false |
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</pre> |
</pre> |
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