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POD -> trivially copyable #707

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Jan 27, 2017
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POD -> trivially copyable #707

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2 changes: 1 addition & 1 deletion en-US/faq.md
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Expand Up @@ -1520,7 +1520,7 @@ impl Foo {
Does Rust have copy constructors?
</a></h3>

Not exactly. Types which implement `Copy` will do a standard C-like "shallow copy" with no extra work (similar to "plain old data" in C++). It is impossible to implement `Copy` types that require custom copy behavior. Instead, in Rust "copy constructors" are created by implementing the `Clone` trait, and explicitly calling the `clone` method. Making user-defined copy operators explicit surfaces the underlying complexity, making it easier for the developer to identify potentially expensive operations.
Not exactly. Types which implement `Copy` will do a standard C-like "shallow copy" with no extra work (similar to trivially copyable types in C++). It is impossible to implement `Copy` types that require custom copy behavior. Instead, in Rust "copy constructors" are created by implementing the `Clone` trait, and explicitly calling the `clone` method. Making user-defined copy operators explicit surfaces the underlying complexity, making it easier for the developer to identify potentially expensive operations.

<h3><a href="#does-rust-have-move-constructors" name="does-rust-have-move-constructors">
Does Rust have move constructors?
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