···

       
101
       
 
       
      | (Start(tb), _) => state.talkbackA = tb

     

       
102
       
 
       
      | (Push(a), None) =>

     

       
103
       
 
       
        state.lastValA = Some(a);

     

       
104
       
-
       
        state.gotSignal = false;

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
105
       
 
       
      | (Push(a), Some(b)) when !state.ended =>

     

       
106
       
 
       
        state.lastValA = Some(a);

     

       
107
       
 
       
        state.gotSignal = false;

     
···

       
120
       
 
       
      | (Start(tb), _) => state.talkbackB = tb

     

       
121
       
 
       
      | (Push(b), None) =>

     

       
122
       
 
       
        state.lastValB = Some(b);

     

       
123
       
-
       
        state.gotSignal = false;

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
124
       
 
       
      | (Push(b), Some(a)) when !state.ended =>

     

       
125
       
 
       
        state.lastValB = Some(b);

     

       
126
       
 
       
        state.gotSignal = false;

     

···

       
101
       
 
       
      | (Start(tb), _) => state.talkbackA = tb

     

       
102
       
 
       
      | (Push(a), None) =>

     

       
103
       
 
       
        state.lastValA = Some(a);

     

       
104
       
+
       
        if (!state.gotSignal) {

     

       
105
       
+
       
          state.talkbackB(. Pull);

     

       
106
       
+
       
        } else {

     

       
107
       
+
       
          state.gotSignal = false;

     

       
108
       
+
       
        };

     

       
109
       
 
       
      | (Push(a), Some(b)) when !state.ended =>

     

       
110
       
 
       
        state.lastValA = Some(a);

     

       
111
       
 
       
        state.gotSignal = false;

     
···

       
124
       
 
       
      | (Start(tb), _) => state.talkbackB = tb

     

       
125
       
 
       
      | (Push(b), None) =>

     

       
126
       
 
       
        state.lastValB = Some(b);

     

       
127
       
+
       
        if (!state.gotSignal) {

     

       
128
       
+
       
          state.talkbackA(. Pull);

     

       
129
       
+
       
        } else {

     

       
130
       
+
       
          state.gotSignal = false;

     

       
131
       
+
       
        };

     

       
132
       
 
       
      | (Push(b), Some(a)) when !state.ended =>

     

       
133
       
 
       
        state.lastValB = Some(b);

     

       
134
       
 
       
        state.gotSignal = false;

     

···

       
313
       
 
       
  const noop = (source: types.sourceT<any>) => operators.combine(sources.fromValue(0), source);

     

       
314
       
 
       


     

       
315
       
 
       
  passesPassivePull(noop, [0, 0]);

     

       
316
       
-
       
  // TODO: passesActivePush(noop, [0, 0]);

     

       
317
       
 
       
  passesSinkClose(noop);

     

       
318
       
 
       
  passesSourceEnd(noop, [0, 0]);

     

       
319
       
 
       
  passesSingleStart(noop);

     

···

       
313
       
 
       
  const noop = (source: types.sourceT<any>) => operators.combine(sources.fromValue(0), source);

     

       
314
       
 
       


     

       
315
       
 
       
  passesPassivePull(noop, [0, 0]);

     

       
316
       
+
       
  passesActivePush(noop, [0, 0]);

     

       
317
       
 
       
  passesSinkClose(noop);

     

       
318
       
 
       
  passesSourceEnd(noop, [0, 0]);

     

       
319
       
 
       
  passesSingleStart(noop);