Created
July 11, 2017 04:58
-
-
Save jimmycuadra/4c1599e9b1b75460b95963e908c7447d to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
struct Client { | |
members: Vec<Member>, | |
} | |
impl Client { | |
fn first_ok<F>(&self, callback: F) -> Result<GoodThing, Vec<BadThing>> | |
where | |
F: Fn(&Member) -> Result<GoodThing, BadThing> | |
{ | |
let mut errors = Vec::with_capacity(self.members.len()); | |
for member in self.members.iter() { | |
let result = callback(member); | |
match result { | |
Ok(node) => return Ok(node), | |
Err(error) => errors.push(error), | |
} | |
} | |
Err(errors) | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
From Arnavion on #rust: https://gist.github.com/anonymous/9f6bd607f42b1b1e8cc7a2dab6e901ae