codahale

                                                                          
   5.0  +                                                                 
        |                                                                 
        |                                                                 
        |                        +-----*-----+                            
        |                                                                 
   4.0  +                                                                 
        |                                                                 
        |                                                                 
        |                                       +-----*-----+             

codahale

14:17:33 ~ $ rustc --version
rustc 1.0.0-nightly (44a287e6e 2015-01-08 17:03:40 -0800)
14:17:36 ~ $ cargo --version
cargo 0.0.1-pre-nightly (8c01b6b 2015-01-08 20:52:43 +0000)
14:17:47 ~ $ cd /tmp
14:17:49 /tmp $ cargo new --bin hello-world
14:18:00 /tmp $ cd hello-world/
/tmp/hello-world
14:18:04 /tmp/hello-world [git:master?] $ cargo run
An unknown error occurred

codahale

pub fn estimate(&self, e: &E) -> u64 {
    indexes(e, self.width)
        .take(self.depth)
        .enumerate()
        .map(|(i, idx)| self.counters[i][idx])
        .min()
        .unwrap()
}

codahale

### Keybase proof

I hereby claim:

  * I am codahale on github.
  * I am codahale (https://keybase.io/codahale) on keybase.
  * I have a public key whose fingerprint is 5D14 B50E 62D6 279D 6C41  52DC DC59 AFA3 840C 3C96

To claim this, I am signing this object:

codahale

// createFile creates a file in the given root and returns it with a defer to close it
func createFile(root *os.Root, filename string) (*os.File, error) {
	f, err := root.Create(filename)
	if err != nil {
		return nil, err
	}
	return f, nil
}