mirror of https://github.com/sbt/sbt.git
24 lines
650 B
Scala
24 lines
650 B
Scala
/* sbt -- Simple Build Tool
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* Copyright 2010 Mark Harrah
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*/
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package sbt
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import Types._
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/** Represents a task node in a format understood by the task evaluation engine Execute.
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* Heterogenous inputs (Mixed, tuple) and homogoneous (Uniform, sequence) are defined and consumed separately.
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*
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* @tparam A the task type
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* @tparam T the type computed by this node */
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trait Node[A[_], T]
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{
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type Mixed <: HList
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type Uniform
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val mixedIn: KList[A, Mixed]
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val uniformIn: Seq[A[Uniform]]
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/** Computes the result of this task given the results from the inputs. */
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def work(mixed: KList[Result, Mixed], uniform: Seq[Result[Uniform]]): Either[A[T], T]
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}
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