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25 lines
864 B
Kotlin
25 lines
864 B
Kotlin
package prog8tests.helpers
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fun <A, B, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, combine2: (A, B) -> R) =
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sequence {
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for (a in dim1)
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for (b in dim2)
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yield(combine2(a, b))
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}.toList()
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fun <A, B, C, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, dim3: Iterable<C>, combine3: (A, B, C) -> R) =
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sequence {
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for (a in dim1)
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for (b in dim2)
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for (c in dim3)
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yield(combine3(a, b, c))
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}.toList()
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fun <A, B, C, D, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, dim3: Iterable<C>, dim4: Iterable<D>, combine4: (A, B, C, D) -> R) =
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sequence {
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for (a in dim1)
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for (b in dim2)
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for (c in dim3)
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for (d in dim4)
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yield(combine4(a, b, c, d))
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}.toList() |