tmp/tmpj2659vcn/{from.md → to.md}
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#### Properties of library classes <a id="library.class.props">[[library.class.props]]</a>
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Unless explicitly stated otherwise, it is unspecified whether any class
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described in [[support]] through [[exec]] and [[depr]] is a trivially
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copyable class, a standard-layout class, or an implicit-lifetime class
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[[class.prop]].
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Unless explicitly stated otherwise, it is unspecified whether any class
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for which trivial relocation (i.e., the effects of `trivially_relocate`
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[[obj.lifetime]]) would be semantically equivalent to move-construction
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of the destination object followed by destruction of the source object
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is a trivially relocatable class [[class.prop]].
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Unless explicitly stated otherwise, it is unspecified whether a class
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`C` is a replaceable class [[class.prop]] if assigning an xvalue `a` of
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type `C` to an object `b` of type `C` is semantically equivalent to
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destroying `b` and then constructing from `a` in `b`’s place.
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