tmp/tmp86w7b84h/{from.md → to.md}
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| 1 |
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#### Comparisons <a id="refwrap.comparisons">[[refwrap.comparisons]]</a>
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``` cpp
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friend constexpr bool operator==(reference_wrapper x, reference_wrapper y);
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```
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*Constraints:* The expression `x.get() == y.get()` is well-formed and
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its result is convertible to `bool`.
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*Returns:* `x.get() == y.get()`.
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``` cpp
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friend constexpr bool operator==(reference_wrapper x, const T& y);
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```
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*Constraints:* The expression `x.get() == y` is well-formed and its
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result is convertible to `bool`.
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*Returns:* `x.get() == y`.
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``` cpp
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friend constexpr bool operator==(reference_wrapper x, reference_wrapper<const T> y);
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```
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*Constraints:* `is_const_v<T>` is `false` and the expression
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`x.get() == y.get()` is well-formed and its result is convertible to
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`bool`.
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*Returns:* `x.get() == y.get()`.
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``` cpp
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friend constexpr auto operator<=>(reference_wrapper x, reference_wrapper y);
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```
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*Constraints:* The expression *`synth-three-way`*`(x.get(), y.get())` is
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well-formed.
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*Returns:* *`synth-three-way`*`(x.get(), y.get())`.
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``` cpp
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friend constexpr auto operator<=>(reference_wrapper x, const T& y);
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```
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*Constraints:* The expression *`synth-three-way`*`(x.get(), y)` is
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well-formed.
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*Returns:* *`synth-three-way`*`(x.get(), y)`.
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``` cpp
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friend constexpr auto operator<=>(reference_wrapper x, reference_wrapper<const T> y);
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```
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*Constraints:* `is_const_v<T>` is `false`. The expression
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*`synth-three-way`*`(x.get(), y.get())` is well-formed.
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*Returns:* *`synth-three-way`*`(x.get(), y.get())`.
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