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Rollup merge of #22267 - steveklabnik:fix_lie, r=Gankro
Otherwise, this line is a lie.
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11c70a3b09
@ -687,7 +687,9 @@ than the hundred `int`s that make up the `BigStruct`.
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This is an antipattern in Rust. Instead, write this:
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```{rust}
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```rust
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#![feature(box_syntax)]
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struct BigStruct {
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one: i32,
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two: i32,
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@ -706,10 +708,13 @@ fn main() {
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one_hundred: 100,
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});
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let y = Box::new(foo(x));
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let y = box foo(x);
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}
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```
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Note that this uses the `box_syntax` feature gate, so this syntax may change in
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the future.
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This gives you flexibility without sacrificing performance.
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You may think that this gives us terrible performance: return a value and then
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