29 Numerics library [numerics]

29.10 Data-parallel types [simd]

29.10.7 Class template basic_vec [simd.class]

29.10.7.3 basic_vec subscript operator [simd.subscr]

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constexpr value_type operator[](simd-size-type i) const;
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Preconditions: i >= 0 && i < size() is true.
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Returns: The value of the element.
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Throws: Nothing.
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template<simd-integral I> constexpr resize_t<I::size(), basic_vec> operator[](const I& indices) const;
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Effects: Equivalent to: return permute(*this, indices);