[gaganyaan]

Checked exceptions suck because they're implemented in Java, where you have to deal with Java. The moral equivalent in Rust of "Result" is great, because the language was designed to handle it nicely. You're right that lambdas are a part of it. I can chain together `.map`, `.and_then`, and `.transpose` nicely with closures even if there's Results and Options in the mix, but that would be godawful in Java.