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This commit is contained in:
alex 2022-05-02 21:27:02 +01:00
parent c23f9b8629
commit 53d82e5126
4 changed files with 10 additions and 8 deletions
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9
packages/core/signal.mjs
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@ -80,7 +80,10 @@ export const chooseWith = (pat, xs) => {
if (xs.length == 0) {
return silence;
}
return pat.range(0, xs.length).fmap((i) => xs[Math.floor(i)]).outerJoin();
return pat
.range(0, xs.length)
.fmap((i) => xs[Math.floor(i)])
.outerJoin();
};
export const choose = (...xs) => chooseWith(rand, xs);
@ -94,14 +97,14 @@ const _wchooseWith = function (pat, ...pairs) {
weights.push(accum);
}
const total = accum;
const match = function(r) {
const match = function (r) {
const find = r * total;
return values[weights.findIndex((x) => x > find, weights)];
};
return pat.fmap(match);
};
const wchooseWith = (...args) => _wchooseWith(...args).outerJoin()
const wchooseWith = (...args) => _wchooseWith(...args).outerJoin();
export const wchoose = (...pairs) => wchooseWith(rand, ...pairs);