Simplify types in std::option
doc comment example.
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@ -66,14 +66,14 @@
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//! not ([`None`]).
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//!
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//! ```
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//! let optional: Option<Box<i32>> = None;
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//! check_optional(&optional);
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//! let optional = None;
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//! check_optional(optional);
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//!
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//! let optional: Option<Box<i32>> = Some(Box::new(9000));
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//! check_optional(&optional);
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//! let optional = Some(Box::new(9000));
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//! check_optional(optional);
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//!
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//! fn check_optional(optional: &Option<Box<i32>>) {
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//! match *optional {
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//! fn check_optional(optional: Option<Box<i32>>) {
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//! match optional {
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//! Some(ref p) => println!("has value {}", p),
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//! None => println!("has no value"),
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//! }
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