On: Rust's Block Pattern

[kibwen]

It helps that the specific pattern of redeclaring a variable just to change its mutability for the remainder of its scope is about the least objectionable use of shadowing possible.

[bryanlarsen → kibwen]

That's not the only place I use shadowing though. I use it much more liberally.

For example I feel this is right:

    let x = x.parse()?;