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InputRange.opApply

std range interfaces InputRange

foreach iteration uses opApply, since one delegate call per loop iteration is faster than three virtual function calls.

  1. int opApply(int delegate(E) )
  2. int opApply(int delegate(size_t, E) )
    interface InputRange(E)
    int
    opApply
    (
    scope int delegate
    (
    size_t
    ,
    E
    )
    )

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std range interfaces InputRange functionsproperties
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