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This commit is contained in:
Paul Masurel
2016-02-13 23:47:17 +09:00
parent b8e4a63d73
commit b04a715bf2
1 changed files with 0 additions and 47 deletions
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47
src/core/skip.rs
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@@ -175,32 +175,6 @@ impl BinarySerializable for u32 {
}
fn rebase_cursor<'a>(cursor: &Cursor<&'a [u8]>) -> Cursor<&'a [u8]>{
let data: &'a[u8] = *cursor.get_ref();
let from_idx = cursor.position() as usize;
let rebased_data = &data[from_idx..];
Cursor::new(rebased_data)
}
#[test]
fn test_rebase_cursor() {
{
let a: Vec<u8> = vec!(1, 2, 3);
let mut cur: Cursor<&[u8]> = Cursor::new(&a);
assert_eq!(cur.read_u8().unwrap(), 1);
let mut rebased_cursor = rebase_cursor(&cur);
assert_eq!(cur.read_u8().unwrap(), 2);
assert_eq!(rebased_cursor.read_u8().unwrap(), 2);
assert_eq!(cur.position(), 2);
assert_eq!(rebased_cursor.position(), 1);
cur.seek(SeekFrom::Start(0));
assert_eq!(cur.read_u8().unwrap(), 1);
rebased_cursor.seek(SeekFrom::Start(0));
assert_eq!(rebased_cursor.read_u8().unwrap(), 2);
}
}
struct Layer<'a, T> {
cursor: Cursor<&'a [u8]>,
@@ -209,7 +183,6 @@ struct Layer<'a, T> {
}
impl<'a, T: BinarySerializable> Iterator for Layer<'a, T> {
type Item = (DocId, T);
@@ -284,26 +257,6 @@ impl<'a, T: BinarySerializable> Layer<'a, T> {
}
}
fn display_layer<'a, T: BinarySerializable>(layer: &mut Layer<'a, T>) {
for it in layer {
println!(" - {:?}", it);
}
}
pub fn display_skip_list<'a, T: BinarySerializable>(skip_list: &mut SkipList<'a, T>) {
let mut i = 0;
for mut layer in skip_list.skip_layers.iter_mut() {
println!("SkipLayer {}", i);
display_layer(&mut layer);
i += 1;
}
println!("DataLayer {}", i);
display_layer(&mut skip_list.data_layer);
}
pub struct SkipList<'a, T: BinarySerializable> {
data_layer: Layer<'a, T>,
skip_layers: Vec<Layer<'a, u32>>,