E1 - Type of the first free variable, i.e. the element the closure is called or closed on.E2 - Type of the second free variable, i.e. the element the closure is called or closed on.E3 - Type of the third free variable, i.e. the element the closure is called or closed on.R - Type of the closure's return value.public interface C3<E1,E2,E3,R> extends GridClosure3<E1,E2,E3,R>
alias for GridClosure3 by extending it. Since Java doesn't provide type aliases
(like Scala, for example) we resort to these types of measures. This is intended to provide for more
concise code in cases when readability won't be sacrificed. For more information see GridClosure3.GridFunc,
GridClosure3apply
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Ignite Fabric : ver. 2.1.0 Release Date : July 20 2017