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Téma musí začínat písmenem nebo číslem, může obsahovat pomlčky („-“) a může být dlouhé až 35 znaků.
57 řádky
1.6 KiB
57 řádky
1.6 KiB
import _curry2 from "./internal/_curry2.js";
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import _dispatchable from "./internal/_dispatchable.js";
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import _xtake from "./internal/_xtake.js";
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import slice from "./slice.js";
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/**
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* Returns the first `n` elements of the given list, string, or
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* transducer/transformer (or object with a `take` method).
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*
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* Dispatches to the `take` method of the second argument, if present.
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*
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* @func
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* @memberOf R
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* @since v0.1.0
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* @category List
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* @sig Number -> [a] -> [a]
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* @sig Number -> String -> String
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* @param {Number} n
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* @param {*} list
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* @return {*}
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* @see R.drop
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* @example
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*
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* R.take(1, ['foo', 'bar', 'baz']); //=> ['foo']
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* R.take(2, ['foo', 'bar', 'baz']); //=> ['foo', 'bar']
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* R.take(3, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
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* R.take(4, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
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* R.take(3, 'ramda'); //=> 'ram'
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*
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* const personnel = [
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* 'Dave Brubeck',
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* 'Paul Desmond',
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* 'Eugene Wright',
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* 'Joe Morello',
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* 'Gerry Mulligan',
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* 'Bob Bates',
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* 'Joe Dodge',
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* 'Ron Crotty'
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* ];
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*
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* const takeFive = R.take(5);
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* takeFive(personnel);
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* //=> ['Dave Brubeck', 'Paul Desmond', 'Eugene Wright', 'Joe Morello', 'Gerry Mulligan']
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* @symb R.take(-1, [a, b]) = [a, b]
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* @symb R.take(0, [a, b]) = []
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* @symb R.take(1, [a, b]) = [a]
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* @symb R.take(2, [a, b]) = [a, b]
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*/
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var take =
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/*#__PURE__*/
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_curry2(
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/*#__PURE__*/
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_dispatchable(['take'], _xtake, function take(n, xs) {
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return slice(0, n < 0 ? Infinity : n, xs);
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}));
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export default take;
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