45 lines
958 B
Text
45 lines
958 B
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{NAryOpFunction}
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represent a n-ary operation on a function@section{categories}
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Core
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@section{related}
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Classes/BinaryOpFunction, Classes/UnaryOpFunction, Classes/NAryOpStream, Classes/Pnaryop, Overviews/Operators
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@section{description}
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Operating on functions instead of numbers, what results is not a result of the calculation, but a structure that represents that calculation.
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@section{examples}
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@racketblock[
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// example
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a = 0.8.linexp(0, 1, 40, 20000); // map (0..1) to exponentially to human frequency hearing range
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a = { b }.linexp(0, 1, 40, 20000); // result is a NAryOpFunction
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b = 0.1;
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a.value; // now it is evaluated, and the result is calculated
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b = 0.5;
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a.value; // again, with a different value.
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::
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]
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@racketblock[
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// sound example
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(
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var a = { 1.0.rand };
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var b = a.linexp(0, 1, 40, 20000);
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fork {
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15.do {
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(instrument: \default, freq: b.value).play;
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0.3.wait;
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}
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}
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)
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::
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]
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