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Remove unwrap() calls by matching

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This commit is contained in:
Matthias Beyer 2016-05-14 19:26:54 +02:00
parent 604e59ae3c
commit 81810dbcc8
1 changed files with 13 additions and 15 deletions
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28
libimagstore/src/store.rs
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@ -796,26 +796,24 @@ impl EntryHeader {
}
pub fn set_with_sep(&mut self, spec: &str, sep: char, v: Value) -> Result<Option<Value>> {
let tokens = EntryHeader::tokenize(spec, sep);
if tokens.is_err() { // return parser error if any
return Err(tokens.unwrap_err());
}
let tokens = tokens.unwrap();
let tokens = match EntryHeader::tokenize(spec, sep) {
Err(e) => return Err(e),
Ok(t) => t,
};
debug!("tokens = {:?}", tokens);
let destination = tokens.iter().last();
if destination.is_none() {
return Err(SE::new(SEK::HeaderPathSyntaxError, None));
}
let destination = destination.unwrap();
let destination = match tokens.iter().last() {
None => return Err(SE::new(SEK::HeaderPathSyntaxError, None)),
Some(d) => d
};
debug!("destination = {:?}", destination);
let path_to_dest = tokens[..(tokens.len() - 1)].into(); // N - 1 tokens
let value = EntryHeader::walk_header(&mut self.header, path_to_dest); // walk N-1 tokens
if value.is_err() {
return Err(value.unwrap_err());
}
let mut value = value.unwrap();
// walk N-1 tokens
let value = match EntryHeader::walk_header(&mut self.header, path_to_dest) {
Err(e) => return Err(e),
Ok(v) => v
};
debug!("walked value = {:?}", value);
match *destination {