| 1 | var utils = require('../utils');
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| 2 |
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| 3 | /**
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| 4 | * Perform `op` on the `left` and `right` operands.
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| 5 | *
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| 6 | * @param {String} op
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| 7 | * @param {Node} left
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| 8 | * @param {Node} right
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| 9 | * @return {Node}
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| 10 | * @api public
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| 11 | */
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| 12 |
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| 13 | function operate(op, left, right){
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| 14 | utils.assertType(op, 'string', 'op');
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| 15 | utils.assertPresent(left, 'left');
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| 16 | utils.assertPresent(right, 'right');
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| 17 | return left.operate(op.val, right);
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| 18 | }
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| 19 | operate.params = ['op', 'left', 'right'];
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| 20 | module.exports = operate;
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