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Don't allocate in expect_valid_rlp unless necessary (#8867) 

* don't allocate via format! in case there's no error

* fix test?
This commit is contained in:
Andronik Ordian 2018-06-12 09:15:52 +03:00 committed by Marek Kotewicz
parent 861d829420
commit 2a470deeaf
1 changed files with 10 additions and 5 deletions
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15
ethcore/src/views/view_rlp.rs
View File

@ -39,10 +39,10 @@ impl<'a, 'view> ViewRlp<'a> where 'a : 'view {
/// Returns a new instance replacing existing rlp with new rlp, maintaining debug info
fn new_from_rlp(&self, rlp: Rlp<'a>) -> Self {
ViewRlp {
rlp,
ViewRlp {
rlp,
file: self.file,
line: self.line
line: self.line
}
}
@ -53,7 +53,12 @@ impl<'a, 'view> ViewRlp<'a> where 'a : 'view {
}
fn expect_valid_rlp<T>(&self, r: Result<T, DecoderError>) -> T {
r.expect(&format!("View rlp is trusted and should be valid. Constructed in {} on line {}", self.file, self.line))
r.unwrap_or_else(|e| panic!(
"View rlp is trusted and should be valid. Constructed in {} on line {}: {}",
self.file,
self.line,
e
))
}
/// Returns rlp at the given index, panics if no rlp at that index
@ -75,7 +80,7 @@ impl<'a, 'view> ViewRlp<'a> where 'a : 'view {
/// Returns decoded value at the given index, panics not present or valid at that index
pub fn val_at<T>(&self, index: usize) -> T where T : Decodable {
self.expect_valid_rlp(self.rlp.val_at(index))
}
}
/// Returns decoded list of values, panics if rlp is invalid
pub fn list_at<T>(&self, index: usize) -> Vec<T> where T: Decodable {