readme.md

Scalaの zipWithIndex を groovyで

• 参考: Is there any analog for Scala 'zip' function in Groovy? - Stack Overflow

zipWithIndex.groovy

List.metaClass.zipWithIndex = { ->
  [delegate, (0 ..< delegate.size)].transpose()
}

['A', 'B', 'C'].zipWithIndex()

zipWithIndexResult

[[A, 0], [B, 1], [C, 2]]