phobos-next ~master (2022-05-18T09:58:38.2169964)

hasStandardNullValue.hasStandardNullValue

nxt nullable_traits hasStandardNullValue
Undocumented in source.
  1. enum hasStandardNullValue;
  2. enum hasStandardNullValue;
  3. enum hasStandardNullValue;
    template hasStandardNullValue(T)
    static if(!(is(T == class) || is(T == typeof(null))))
    static if(!(is(T == struct) || is(T == interface) || is(T == union)))
    enum hasStandardNullValue = (is(T == U*, U) || (is(T : const(E)[], E) && !__traits(isStaticArray, T)));

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nxt nullable_traits hasStandardNullValue manifest constants

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