phobos-next v0.3.9 (2020-08-07T21:50:30Z)

upcastElementsTo

nxt class_range

Upcast all elements in x of type T to the type U, where U is a superclass of T.

TODO move to phobos-next

  1. inout(U)[] upcastElementsTo(inout(T)[] x)
  2. auto upcastElementsTo(inout(R) x)
    @trusted
    auto
    upcastElementsTo
    (
    U
    R
    )
    (
    inout(R) x
    )
    if (
    !isArray!R &&
    is(U == class)
    &&
    isInputRange!R
    &&
    is(ElementType!R == class)
    )

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nxt class_range functionstemplates

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