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34 lines
907 B
TypeScript
34 lines
907 B
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/until.js
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import _curry3 from './internal/_curry3.js';
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/**
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* Takes a predicate, a transformation function, and an initial value,
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* and returns a value of the same type as the initial value.
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* It does so by applying the transformation until the predicate is satisfied,
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* at which point it returns the satisfactory value.
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*
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* @func
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* @memberOf R
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* @since v0.20.0
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* @category Logic
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* @sig (a -> Boolean) -> (a -> a) -> a -> a
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* @param {Function} pred A predicate function
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* @param {Function} fn The iterator function
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* @param {*} init Initial value
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* @return {*} Final value that satisfies predicate
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* @example
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*
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* R.until(R.gt(R.__, 100), R.multiply(2))(1) // => 128
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*/
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var until = _curry3(function until(pred, fn, init) {
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var val = init;
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while (!pred(val)) {
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val = fn(val);
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}
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return val;
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});
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export default until;
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