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class::UnaryOpFunction
summary::represent a unary operation on a function
related:: Classes/UnaryOpStream, Classes/Punop, Classes/BinaryOpFunction, Classes/NAryOpFunction, Overviews/Operators
categories::Core
description::
Operating on functions instead of numbers, what results is not a result of the calculation, but a structure that represents that calculation.
examples::
code::
a = 2.sqrt; // result is square root of two (approximate floating point).
a = { b }.sqrt; // result is a UnaryOpFunction
b = 2;
a.value; // now it is evaluated, and the result is calculated
b = 9;
a.value; // again, with a different value.
::
code::
// sound example
(
var a = { 19.rand };
var b = a.sqrt;
fork {
15.do {
(instrument: \default, note: [a.value, b.value]).play;
0.3.wait;
}
}
)
::
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