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get rid of collects

This commit is contained in:
Nikolay Volf 2016-10-05 14:37:27 +03:00
parent 1782b659d1
commit eddfb475c6
1 changed files with 8 additions and 9 deletions
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17
ethstore/src/dir/disk.rs
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@ -76,15 +76,14 @@ impl DiskDirectory {
.map(|entry| entry.path()) .map(|entry| entry.path())
.collect::<Vec<PathBuf>>(); .collect::<Vec<PathBuf>>();
let files: Result<Vec<_>, _> = paths.iter() paths
.map(fs::File::open) .iter()
.collect(); .map(|p| (
fs::File::open(p)
let files = try!(files); .map_err(Error::from)
.and_then(|r| json::KeyFile::load(r).map_err(|e| Error::Custom(format!("{:?}", e)))),
files.into_iter() p
.map(json::KeyFile::load) ))
.zip(paths.into_iter())
.map(|(file, path)| match file { .map(|(file, path)| match file {
Ok(file) => Ok((path.clone(), SafeAccount::from_file( Ok(file) => Ok((path.clone(), SafeAccount::from_file(
file, Some(path.file_name().and_then(|n| n.to_str()).expect("Keys have valid UTF8 names only.").to_owned()) file, Some(path.file_name().and_then(|n| n.to_str()).expect("Keys have valid UTF8 names only.").to_owned())