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NibbleSlice mid do not share lifetime with a parent view, but with a collection

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debris 2015-11-30 19:14:46 +01:00
parent 9736b39363
commit 9019610728
1 changed files with 3 additions and 3 deletions
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src/nibbleslice.rs
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@ -31,7 +31,7 @@ pub struct NibbleSlice<'a> {
offset: usize, offset: usize,
} }
impl<'a> NibbleSlice<'a> { impl<'a, 'view> NibbleSlice<'a> where 'a: 'view {
/// Create a new nibble slice with the given byte-slice. /// Create a new nibble slice with the given byte-slice.
pub fn new(data: &[u8]) -> NibbleSlice { NibbleSlice::new_offset(data, 0) } pub fn new(data: &[u8]) -> NibbleSlice { NibbleSlice::new_offset(data, 0) }
@ -60,7 +60,7 @@ impl<'a> NibbleSlice<'a> {
} }
/// Return object which represents a view on to this slice (further) offset by `i` nibbles. /// Return object which represents a view on to this slice (further) offset by `i` nibbles.
pub fn mid(&self, i: usize) -> Self { NibbleSlice{ data: self.data, offset: self.offset + i} } pub fn mid(&'view self, i: usize) -> NibbleSlice<'a> { NibbleSlice{ data: self.data, offset: self.offset + i} }
/// Do we start with the same nibbles as the whole of `them`? /// Do we start with the same nibbles as the whole of `them`?
pub fn starts_with(&self, them: &Self) -> bool { self.common_prefix(them) == them.len() } pub fn starts_with(&self, them: &Self) -> bool { self.common_prefix(them) == them.len() }