Inline immediate .unwrap after Some(_)

[KisaragiEffective]

What it does

Suggesting inline Some(_) and .unwrap() in continuous line.

Before

let expr = "";
let token = Some(expr);
let token = token.unwrap();
// assert_eq!(expr, token)

After

let expr = "";
let token = expr;

Lint Name

unnecessary_option

Category

complexity

Advantage

• Remove complexibility

Drawbacks

None

Example

// let expr = "for any value and type";
let token = Some(expr);
let token = token.unwrap();
// assert_eq!(expr, token)

Could be written as:

let token = expr;

[y21]

This lint exists now: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_literal_unwrap

[KisaragiEffective]

Yes, this should be closed because #10358 is merged and landed in today’s (>= 1.69.0) toolchain.