はてなブックマーク

RustOwl visualizes ownership movement and lifetimes of variables. When you save Rust source code, it is analyzed, and the ownership and lifetimes of variables are visualized when you hover over a variable or function call. RustOwl visualizes those by using underlines: 🟩 green: variable's actual lifetime 🟦 blue: immutable borrowing 🟪 purple: mutable borrowing 🟧 orange: value moved / function ca