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35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/update.js
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import _curry3 from './internal/_curry3.js';
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import adjust from './adjust.js';
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import always from './always.js';
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/**
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* Returns a new copy of the array with the element at the provided index
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* replaced with the given value.
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*
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* @func
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* @memberOf R
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* @since v0.14.0
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* @category List
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* @sig Number -> a -> [a] -> [a]
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* @param {Number} idx The index to update.
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* @param {*} x The value to exist at the given index of the returned array.
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* @param {Array|Arguments} list The source array-like object to be updated.
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* @return {Array} A copy of `list` with the value at index `idx` replaced with `x`.
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* @see R.adjust
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* @example
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*
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* R.update(1, '_', ['a', 'b', 'c']); //=> ['a', '_', 'c']
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* R.update(-1, '_', ['a', 'b', 'c']); //=> ['a', 'b', '_']
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* @symb R.update(-1, a, [b, c]) = [b, a]
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* @symb R.update(0, a, [b, c]) = [a, c]
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* @symb R.update(1, a, [b, c]) = [b, a]
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*/
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var update = _curry3(function update(idx, x, list) {
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return adjust(idx, always(x), list);
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});
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export default update;
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