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19 lines
536 B
19 lines
536 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var Type = require('../Type'); |
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var NumberAdd = require('./add'); |
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var NumberUnaryMinus = require('./unaryMinus'); |
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// https://262.ecma-international.org/12.0/#sec-numeric-types-number-subtract |
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module.exports = function NumberSubtract(x, y) { |
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if (Type(x) !== 'Number' || Type(y) !== 'Number') { |
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throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers'); |
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} |
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return NumberAdd(x, NumberUnaryMinus(y)); |
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};
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