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pub fn notify(item: &(impl Summary + Display)) {\n

pub fn notify<T: Summary + Display>(item: &T) {\n

pub fn notify<T>(item: &T) where T:Summary + Display {\n

→pub fn notify<T>(item: &T) where T:Summary + Display {\n

https://doc.rust-jp.rs/book-ja/ch10-02-traits.html#複数のトレイト境界を構文で指定する\n

"}}]]}],["$","div",null,{"className":"$undefined","style":{"display":"flex","gap":"0.4rem","flexWrap":"wrap","width":"100%"},"children":[false,[["$","a","FDDB",{"href":"/FDDB","className":"Post-module__aBOVGG__bg","style":{},"children":"pub fn notify(item: &T) where T:Summary + Display {"}],["$","a","D5FF",{"href":"/D5FF","className":"Post-module__aBOVGG__bg","style":{},"children":"戻り値の型が特質を実装していることを指定する"}]]]}]]}]

+構文

引数の型が複数の特質を実装していることを指定する