| envir |
an environment with objects to embed. |
| pattern | |
| independent |
if true streams can write to the environment without influencing other streams created from this pattern. if false, the streams write to a common namespace. |
(x = (a:8);y = Penvir( x, Pfunc { ~a * 2 });t = y.asStream;)t.next;(x = (a:8);y = Penvir( x, Pfunc { ~a = ~a * 2 });t = y.asStream;z = y.asStream;)t.next;t.next;x.postln; // x stays unchanged