node source
node join#1 "join" @9:27 type="[R, R]"
node ask#1 "a" @9:34 actors=actor#1 type="R"
node ask#2 "b" @9:49 actors=actor#2 type="R"
node ask#3 "wc" @11:34 actors=actor#3 type="string"
node ask#4 "reader" @13:35 actors=actor#4 type="string"
node sink
actor actor#1 "wa" @7:11
actor actor#2 "wb" @8:11
actor actor#3 "wc" @11:22
actor actor#4 "reader" @13:19
edge source -> ask#1 data exact
edge source -> ask#2 data exact
edge source -> ask#3 data exact
edge join#1 -> ask#4 data exact port=0 type="R"
edge ask#1 -> join#1 data exact port=0 type="R"
edge ask#1 -> ask#4 data exact type="R"
edge ask#2 -> join#1 data exact port=1 type="R"
edge ask#3 -> ask#4 data exact type="string"
edge ask#4 -> sink data exact type="string"
