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Replace complex unwrapping with big match block

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This commit is contained in:
Matthias Beyer 2016-06-11 06:50:58 +02:00
parent c099fc7270
commit 29be4029da
1 changed files with 13 additions and 19 deletions
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32
libimagentrylink/src/internal.rs
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@ -137,25 +137,19 @@ fn add_foreign_link(target: &mut Entry, from: StoreId) -> Result<()> {
}
fn process_rw_result(links: StoreResult<Option<Value>>) -> Result<Vec<Link>> {
if links.is_err() {
debug!("RW action on store failed. Generating LinkError");
return Err(LEK::EntryHeaderReadError.into_error_with_cause(Box::new(links.unwrap_err())))
}
let links = links.unwrap();
if links.is_none() {
debug!("We got no value from the header!");
return Ok(vec![])
}
let links = links.unwrap();
let links = {
match links {
Value::Array(a) => a,
_ => {
debug!("We expected an Array for the links, but there was a non-Array!");
return Err(LEK::ExistingLinkTypeWrong.into());
},
let links = match links {
Err(e) => {
debug!("RW action on store failed. Generating LinkError");
return Err(LEK::EntryHeaderReadError.into_error_with_cause(Box::new(e)))
},
Ok(None) => {
debug!("We got no value from the header!");
return Ok(vec![])
},
Ok(Some(Value::Array(l))) => l,
Ok(Some(_)) => {
debug!("We expected an Array for the links, but there was a non-Array!");
return Err(LEK::ExistingLinkTypeWrong.into());
}
};