Pict: A Programming Language based on Pi-Calculus by Pierce and Turner

I come back to look at the Pict Language
I need to refresh on Pi-Calculus #picalculus . I liked some of this syntax

https://direct.mit.edu/books/edited-volume/2033/chapter-abstract/55172/Pict-A-Programming-Language-Based-on-the-Pi?redirectedFrom=PDF

・a(x).P - Wait for reading x on the channel a, then having received the value, behave as P.

・ā<x>.P - Wait to send the value along with the channel a then, after x is accepted by some processes, behavior like P

https://www.cs.cmu.edu/~wing/publications/Wing02a.pdf

#picalculus