@hackage / array-primops

Extra foreign primops for primitive arrays

Latest0.2.0.1

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  • Last updated , by AndrasKovacs
  • License BSD-3-Clause

  • Maintained by: puttamalac@gmail.com

  • Lottery factor: 0

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Boxed arrays cannot be allocated without initialization, because in that case the garbage collector would try to follow wild pointers. This is a source of inefficiency; quite a few operations must allocate a new array, initialize it, then overwrite the initial elements with the actually relevant data. This package provides low-level primitives for doing such operations without superfluous copying.