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n=this.f;(0,this.p)(e)&&this.sink.event(t,n(e))},wt.prototype.end=dt.prototype.end,wt.prototype.error=dt.prototype.error,kt.create=function(t,e){return e instanceof kt?new kt(function(t,e){return function(n){return t(e(n))}}(t,e.f),e.source):e instanceof lt?new vt(e.p,t,e.source):new kt(t,e)},kt.prototype.run=function(t,e){return this.source.run(new mt(this.f,t),e)},mt.prototype.end=dt.prototype.end,mt.prototype.error=dt.prototype.error,mt.prototype.event=function(t,e){var n=this.f;this.sink.event(t,n(e))},xt.prototype.run=function(t,e){return this.source.run(new Et(this.f,t),e)},Et.prototype.end=dt.prototype.end,Et.prototype.error=dt.prototype.error,Et.prototype.event=function(t,e){(0,this.f)(e),this.sink.event(t,e)},Mt.prototype.run=function(t,e){return this.source.run(new Rt(this.step,this.seed,t),e)},Rt.prototype.error=dt.prototype.error,Rt.prototype.event=function(t,e){var n=this.step(this.seed,e);this.seed=n.seed,this.sink.event(t,n.value)},Rt.prototype.end=function(t){this.sink.end(t,this.seed)},Wt.prototype.run=function(t,e){return d([e.asap(_.event(this.value,t)),this.source.run(new Lt(this.f,this.value,t),e)])},Lt.prototype.event=function(t,e){var n=this.f;this.value=n(this.value,e),this.sink.event(t,this.value)},Lt.prototype.error=dt.prototype.error,Lt.prototype.end=dt.prototype.end,Nt.prototype.run=function(t,e){return this.source.run(new St(this.f,this.value,t),e)},St.prototype.event=function(t,e){var n=this.f;this.value=n(this.value,e),this.sink.event(t,this.value)},St.prototype.error=dt.prototype.error,St.prototype.end=function(t){this.sink.end(t,this.value)},qt.prototype.run=function(t,e){return new Bt(this.f,this.value,t,e)},Bt.prototype.dispose=function(){this.active=!1},Dt.prototype.run=function(t,e){return new Vt(this.f,this.value,t,e)},Vt.prototype.dispose=function(){this.active=!1},zt.prototype.run=function(t,e){return new Ot(this.f.apply(void 0,this.args),t,e)},Ot.prototype.dispose=function(){this.active=!1},Jt.prototype.run=function(t,e){return new Kt(this.f,this.source,t,e)},Kt.prototype.error=dt.prototype.error,Kt.prototype.event=function(t,e){this.active&&this.sink.event(t,e)},Kt.prototype.end=function(t,e){this.active&&(c(t,this.disposable,this.sink),this._startNext(t,e,this.sink))},Kt.prototype._startNext=function(t,e,n){try{this.disposable=this._continue(this.f,e,n)}catch(e){n.error(t,e)}},Kt.prototype._continue=function(t,e,n){return t(e).source.run(n,this.scheduler)},Kt.prototype.dispose=function(){return this.active=!1,this.disposable.dispose()},Yt.prototype.event=function(t,e){this.active&&(this.value=e,this.sink.event(t,this))},Yt.prototype.end=function(t,e){this.active&&(this.active=!1,this.sink.end(t,{index:this.index,value:e}))},Yt.prototype.error=dt.prototype.error;var ni=r,ii=i;ne.prototype.run=function(t,e){for(var n,i=this.sources.length,r=new Array(i),o=new Array(i),s=new ie(r,o,t,this.f),u=0;u<i;++u)n=o[u]=new Yt(u,s),r[u]=this.sources[u].run(n,e);return d(r)},ie.prototype.error=dt.prototype.error,ie.prototype.event=function(t,e){var n=e.index,i=this._updateReady(n);this.values[n]=e.value,0===i&&this.sink.event(t,Zt(this.f,this.values))},ie.prototype._updateReady=function(t){return this.awaiting>0&&(this.hasValue[t]||(this.hasValue[t]=!0,this.awaiting-=1)),this.awaiting},ie.prototype.end=function(t,e){c(t,this.disposables[e.index],this.sink),0==--this.activeCount&&this.sink.end(t,e.value)},se.prototype.run=function(t,e){var n=this.transducer(new he(t));return this.source.run(new ue(function(t){return"function"==typeof t["@@transducer/step"]?new pe(t):new ce(t)}(n),t),e)},ue.prototype.event=function(t,e){var n=this.xf.step(t,e);return this.xf.isReduced(n)?this.sink.end(t,this.xf.getResult(n)):n},ue.prototype.end=function(t,e){return this.xf.result(e)},ue.prototype.error=function(t,e){return this.sink.error(t,e)},he.prototype["@@transducer/init"]=he.prototype.init=function(){},he.prototype["@@transducer/step"]=he.prototype.step=function(t,e){return isNaN(t)||(this.time=Math.max(t,this.time)),this.sink.event(this.time,e)},he.prototype["@@transducer/result"]=he.prototype.result=function(t){return this.sink.end(this.time,t)},pe.prototype.step=function(t,e){return this.tx["@@transducer/step"](t,e)},pe.prototype.result=function(t){return this.tx["@@transducer/result"](t)},pe.prototype.isReduced=function(t){return null!=t&&t["@@transducer/reduced"]},pe.prototype.getResult=function(t){return t["@@transducer/value"]},ce.prototype.step=function(t,e){return this.tx.step(t,e)},ce.prototype.result=function(t){return this.tx.result(t)},ce.prototype.isReduced=function(t){return null!=t&&t.__transducers_reduced__},ce.prototype.getResult=function(t){return t.value},fe.prototype.add=function(t){null!==this.head&&(this.head.prev=t,t.next=this.head),this.head=t,++this.length},fe.prototype.remove=function(t){--this.length,t===this.head&&(this.head=this.head.next),null!==t.next&&(t.next.prev=t.prev,t.next=null),null!==t.prev&&(t.prev.next=t.next,t.prev=null)},fe.prototype.isEmpty=function(){return 0===this.length},fe.prototype.dispose=function(){if(this.isEmpty())return Promise.resolve();var t=[],e=this.head;for(this.head=null,this.length=0;null!==e;)t.push(e.dispose()),e=e.next;return Promise.all(t)},le.prototype.run=function(t,e){return new ye(this.f,this.concurrency,this.source,t,e)},ye.prototype.event=function(t,e){this._addInner(t,e)},ye.prototype._addInner=function(t,e){this.current.length<this.concurrency?this._startInner(t,e):this.pending.push(e)},ye.prototype._startInner=function(t,e){try{this._initInner(t,e)}catch(e){this.error(t,e)}},ye.prototype._initInner=function(t,e){var n=new ve(t,this,this.sink);n.disposable=function(t,e,n,i){return t(e).source.run(n,i)}(this.f,e,n,this.scheduler),this.current.add(n)},ye.prototype.end=function(t,e){this.active=!1,c(t,this.disposable,this.sink),this._checkEnd(t,e)},ye.prototype.error=function(t,e){this.active=!1,this.sink.error(t,e)},ye.prototype.dispose=function(){return this.active=!1,this.pending.length=0,Promise.all([this.disposable.dispose(),this.current.dispose()])},ye.prototype._endInner=function(t,e,n){this.current.remove(n),c(t,n,this),0===this.pending.length?this._checkEnd(t,e):this._startInner(t,this.pending.shift())},ye.prototype._checkEnd=function(t,e){!this.active&&this.current.isEmpty()&&this.sink.end(t,e)},ve.prototype.event=function(t,e){this.sink.event(Math.max(t,this.time),e)},ve.prototype.end=function(t,e){this.outer._endInner(Math.max(t,this.time),e,this)},ve.prototype.error=function(t,e){this.outer.error(Math.max(t,this.time),e)},ve.prototype.dispose=function(){return this.disposable.dispose()};var ri=function(t){for(var e=t.length,n=new Array(e),i=0;i<e;++i)n[i]=t[i];return n},oi=function(t,e,n){for(var i=e,r=0,o=n.length;r<o;++r)i=t(i,n[r],r);return i};ge.prototype.run=function(t,e){for(var n,i=this.sources.length,r=new Array(i),o=new Array(i),s=new xe(r,o,t),u=0;u<i;++u)n=o[u]=new Yt(u,s),r[u]=this.sources[u].run(n,e);return d(r)},xe.prototype.error=dt.prototype.error,xe.prototype.event=function(t,e){this.sink.event(t,e.value)},xe.prototype.end=function(t,e){c(t,this.disposables[e.index],this.sink),0==--this.activeCount&&this.sink.end(t,e.value)},Pe.prototype.run=function(t,e){for(var n,i=this.sources.length,r=new Array(i+1),o=new Array(i),s=new Re(this.f,o,t),u=0;u<i;++u)n=o[u]=new Me(s),r[u]=this.sources[u].run(n,e);return r[u]=this.sampler.run(s,e),d(r)},Me.prototype.event=function(t,e){this.value=e,this.hasValue=!0,this.sink._notify(this)},Me.prototype.end=function(){},Me.prototype.error=dt.prototype.error,Re.prototype._notify=function(){this.active||(this.active=this.sinks.every(Ie))},Re.prototype.event=function(t){this.active&&this.sink.event(t,Zt(this.f,r(We,this.sinks)))},Re.prototype.end=dt.prototype.end,Re.prototype.error=dt.prototype.error,Le.prototype.push=function(t){var e=this._length;this._checkCapacity(e+1);this[this._head+e&this._capacity-1]=t,this._length=e+1},Le.prototype.shift=function(){var t=this._head,e=this[t];return this[t]=void 0,this._head=t+1&this._capacity-1,this._length--,e},Le.prototype.isEmpty=function(){return 0===this._length},Le.prototype.length=function(){return this._length},Le.prototype._checkCapacity=function(t){this._capacity<t&&this._ensureCapacity(this._capacity<<1)},Le.prototype._ensureCapacity=function(t){var e=this._capacity;this._capacity=t;var n=this._head+this._length;n>e&&function(t,e,n,i,r){for(var o=0;o<r;++o)n[o+i]=t[o+e],t[o+e]=void 0}(this,0,this,e,n&e-1)};var si=r,ui=i;Se.prototype.run=function(t,e){for(var n,i=this.sources.length,r=new Array(i),o=new Array(i),s=new Array(i),u=new qe(this.f,s,o,t),h=0;h<i;++h)s[h]=new Le,n=o[h]=new Yt(h,u),r[h]=this.sources[h].run(n,e);return d(r)},qe.prototype.event=function(t,e){var n=this.buffers,i=n[e.index];if(i.push(e.value),1===i.length()){if(!function(t){for(var e=0,n=t.length;e<n;++e)if(t[e].isEmpty())return!1;return!0}(this.buffers))return;!function(t,e,n,i){i.event(e,Zt(t,si(Be,n)))}(this.f,t,n,this.sink),function(t,e){for(var n=0,i=t.length;n<i;++n)if(t[n].isEmpty()&&!e[n].active)return!0;return!1}(this.buffers,this.sinks)&&this.sink.end(t,void 0)}},qe.prototype.end=function(t,e){this.buffers[e.index].isEmpty()&&this.sink.end(t,e.value)},qe.prototype.error=dt.prototype.error,De.prototype.run=function(t,e){var n=new Ve(t,e);return d([n,this.source.run(n,e)])},Ve.prototype.event=function(t,e){this._disposeCurrent(t),this.current=new Ue(t,1/0,this,this.sink),this.current.disposable=e.source.run(this.current,this.scheduler)},Ve.prototype.end=function(t,e){this.ended=!0,this._checkEnd(t,e)},Ve.prototype.error=function(t,e){this.ended=!0,this.sink.error(t,e)},Ve.prototype.dispose=function(){return this._disposeCurrent(this.scheduler.now())},Ve.prototype._disposeCurrent=function(t){if(null!==this.current)return this.current._dispose(t)},Ve.prototype._disposeInner=function(t,e){e._dispose(t),e===this.current&&(this.current=null)},Ve.prototype._checkEnd=function(t,e){this.ended&&null===this.current&&this.sink.end(t,e)},Ve.prototype._endInner=function(t,e,n){this._disposeInner(t,n),this._checkEnd(t,e)},Ve.prototype._errorInner=function(t,e,n){this._disposeInner(t,n),this.sink.error(t,e)},Ue.prototype.event=function(t,e){t<this.max&&this.sink.event(Math.max(t,this.min),e)},Ue.prototype.end=function(t,e){this.outer._endInner(Math.max(t,this.min),e,this)},Ue.prototype.error=function(t,e){this.outer._errorInner(Math.max(t,this.min),e,this)},Ue.prototype._dispose=function(t){this.max=t,c(t,this.disposable,this.sink)},Ge.prototype.run=function(t,e){return this.source.run(new He(this.equals,t),e)},He.prototype.end=dt.prototype.end,He.prototype.error=dt.prototype.error,He.prototype.event=function(t,e){this.init?(this.init=!1,this.value=e,this.sink.event(t,e)):this.equals(this.value,e)||(this.value=e,this.sink.event(t,e))},Ze.prototype.run=function(t,e){var n=v(),i=new $e(this.min,this.max-this.min,t,n);return n.setDisposable(this.source.run(i,e)),n},$e.prototype.end=dt.prototype.end,$e.prototype.error=dt.prototype.error,$e.prototype.event=function(t,e){this.skip>0?this.skip-=1:0!==this.take&&(this.take-=1,this.sink.event(t,e),0===this.take&&(this.disposable.dispose(),this.sink.end(t,e)))},en.prototype.run=function(t,e){var n=v(),i=new nn(this.p,t,n);return n.setDisposable(this.source.run(i,e)),n},nn.prototype.end=dt.prototype.end,nn.prototype.error=dt.prototype.error,nn.prototype.event=function(t,e){if(this.active){var n=this.p;this.active=n(e),this.active?this.sink.event(t,e):(this.disposable.dispose(),this.sink.end(t,e))}},on.prototype.run=function(t,e){return this.source.run(new sn(this.p,t),e)},sn.prototype.end=dt.prototype.end,sn.prototype.error=dt.prototype.error,sn.prototype.event=function(t,e){if(this.skipping){var n=this.p;if(this.skipping=n(e),this.skipping)return}this.sink.event(t,e)},hn.prototype.run=function(t,e){return this.source.run(new pn(this.p,t),e)},pn.prototype.event=function(t,e){if(!this.skipping){var n=this.p;this.skipping=n(e),this.sink.event(t,e),this.skipping&&this.sink.end(t,e)}},pn.prototype.end=dt.prototype.end,pn.prototype.error=dt.prototype.error,dn.prototype.run=function(t,e){var n=new yn(-1/0,t),i=new kn(this.maxSignal,t,e);return d([n,i,this.source.run(new vn(n,i,t),e)])},ln.prototype.run=function(t,e){var n=new wn(this.minSignal,t,e),i=new yn(1/0,t);return d([n,i,this.source.run(new 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