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Home/ Questions/Q 4267280
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Editorial Team
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Editorial Team
Asked: May 21, 20262026-05-21T06:52:40+00:00 2026-05-21T06:52:40+00:00

template<class T, typename U> ptrdiff_t foo(T U::* m) { // return offset } How

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template<class T, typename U> ptrdiff_t foo(T U::* m)
{
    // return offset
}

How I can get the offset of the field ‘m’ in this context? I would prefer to use am compile-time expression.

Thanks in advance for any help. Best regards

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  1. Editorial Team
    Editorial Team
    2026-05-21T06:52:41+00:00Added an answer on May 21, 2026 at 6:52 am

    Sounds like you’re looking for the offsetof() macro.

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