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core: Deprecate ImmutableSlice::tailn and initn

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These are equivalent to slice_from and slice_to.
This commit is contained in:
Brian Anderson 2014-08-06 20:12:48 -07:00
parent 033f28d436
commit d4c736b1f0
1 changed files with 4 additions and 0 deletions
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4
src/libcore/slice.rs
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@ -163,10 +163,12 @@ pub trait ImmutableSlice<'a, T> {
/// Returns all but the first element of a vector
fn tail(&self) -> &'a [T];
/// Returns all but the first `n' elements of a vector
#[deprecated = "use slice_from"]
fn tailn(&self, n: uint) -> &'a [T];
/// Returns all but the last element of a vector
fn init(&self) -> &'a [T];
/// Returns all but the last `n' elements of a vector
#[deprecated = "use slice_to but note the arguments are different"]
fn initn(&self, n: uint) -> &'a [T];
/// Returns the last element of a vector, or `None` if it is empty.
fn last(&self) -> Option<&'a T>;
@ -339,6 +341,7 @@ impl<'a,T> ImmutableSlice<'a, T> for &'a [T] {
fn tail(&self) -> &'a [T] { self.slice(1, self.len()) }
#[inline]
#[deprecated = "use slice_from"]
fn tailn(&self, n: uint) -> &'a [T] { self.slice(n, self.len()) }
#[inline]
@ -347,6 +350,7 @@ impl<'a,T> ImmutableSlice<'a, T> for &'a [T] {
}
#[inline]
#[deprecated = "use slice_to but note the arguments are different"]
fn initn(&self, n: uint) -> &'a [T] {
self.slice(0, self.len() - n)
}