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Added popup ebook and audiobook download
[wolnelektury.git]
/
src
/
wolnelektury
/
static
/
2021
/
css
/
utils
/
bourbon
/
validators
/
_is-number.scss
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@charset "UTF-8";
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/// Checks for a valid number.
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///
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/// @argument {number} $value
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///
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/// @require {function} _contains
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///
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/// @return {boolean}
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///
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/// @access private
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@function _is-number($value) {
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@return _contains("0" "1" "2" "3" "4" "5" "6" "7" "8" "9" 0 1 2 3 4 5 6 7 8 9, $value);
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}