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add chooseInWith/chooseCycles

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alex 2022-07-30 09:27:43 +01:00
parent 71dc108b2d
commit d79716c3f8
1 changed files with 13 additions and 0 deletions
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13
packages/core/signal.mjs
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@ -134,6 +134,19 @@ export const chooseWith = (pat, xs) => {
export const choose = (...xs) => chooseWith(rand, xs);
export const chooseInWith = (pat, xs) => {
xs = xs.map(reify);
if (xs.length == 0) {
return silence;
}
return pat
.range(0, xs.length)
.fmap((i) => xs[Math.floor(i)])
.innerJoin();
};
export const chooseCycles = (...xs) => chooseInWith(rand.segment(1), xs);
const _wchooseWith = function (pat, ...pairs) {
const values = pairs.map((pair) => reify(pair[0]));
const weights = [];