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class:: Penvir
summary:: use an environment when embedding the pattern in a stream
related:: Classes/Pkey
categories:: Streams-Patterns-Events>Patterns>Data Sharing
ClassMethods::
method::new
argument::envir
an environment with objects to embed.
argument::pattern
pattern or stream, ususally a link::Classes/Pfunc::, link::Classes/Prout::.
argument::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.
Examples::
code::
(
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
::
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