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Remove vec::{rfind, rfind_between, find_between}, replaced by slices and iterator adapators.

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This commit is contained in:
Huon Wilson 2013-06-29 00:59:41 +10:00
parent 6fcd8bf567
commit 5d46bcc0e4
2 changed files with 1 additions and 120 deletions
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2
src/librustc/middle/trans/base.rs
View File

@ -1263,7 +1263,7 @@ pub fn cleanup_and_leave(bcx: block,
let mut skip = 0;
let mut dest = None;
{
let r = vec::rfind((*inf).cleanup_paths, |cp| cp.target == leave);
let r = (*inf).cleanup_paths.rev_iter().find_(|cp| cp.target == leave);
for r.iter().advance |cp| {
if cp.size == inf.cleanups.len() {
Br(bcx, cp.dest);

119
src/libstd/vec.rs
View File

@ -652,44 +652,6 @@ pub fn contains<T:Eq>(v: &[T], x: &T) -> bool {
false
}
/**
* Search for the first element that matches a given predicate within a range
*
* Apply function `f` to each element of `v` within the range
* [`start`, `end`). When function `f` returns true then an option containing
* the element is returned. If `f` matches no elements then none is returned.
*/
pub fn find_between<T:Copy>(v: &[T], start: uint, end: uint,
f: &fn(t: &T) -> bool) -> Option<T> {
position_between(v, start, end, f).map(|i| copy v[*i])
}
/**
* Search for the last element that matches a given predicate
*
* Apply function `f` to each element of `v` in reverse order. When function
* `f` returns true then an option containing the element is returned. If `f`
* matches no elements then none is returned.
*/
pub fn rfind<T:Copy>(v: &[T], f: &fn(t: &T) -> bool) -> Option<T> {
rfind_between(v, 0u, v.len(), f)
}
/**
* Search for the last element that matches a given predicate within a range
*
* Apply function `f` to each element of `v` in reverse order within the range
* [`start`, `end`). When function `f` returns true then an option containing
* the element is returned. If `f` matches no elements then none is return.
*/
pub fn rfind_between<T:Copy>(v: &[T],
start: uint,
end: uint,
f: &fn(t: &T) -> bool)
-> Option<T> {
rposition_between(v, start, end, f).map(|i| copy v[*i])
}
/// Find the first index containing a matching value
pub fn position_elem<T:Eq>(v: &[T], x: &T) -> Option<uint> {
v.iter().position_(|y| *x == *y)
@ -1422,7 +1384,6 @@ impl<'self,T:Eq> ImmutableEqVector<T> for &'self [T] {
#[allow(missing_doc)]
pub trait ImmutableCopyableVector<T> {
fn filtered(&self, f: &fn(&T) -> bool) -> ~[T];
fn rfind(&self, f: &fn(t: &T) -> bool) -> Option<T>;
fn partitioned(&self, f: &fn(&T) -> bool) -> (~[T], ~[T]);
unsafe fn unsafe_get(&self, elem: uint) -> T;
}
@ -1441,18 +1402,6 @@ impl<'self,T:Copy> ImmutableCopyableVector<T> for &'self [T] {
filtered(*self, f)
}
/**
* Search for the last element that matches a given predicate
*
* Apply function `f` to each element of `v` in reverse order. When
* function `f` returns true then an option containing the element is
* returned. If `f` matches no elements then none is returned.
*/
#[inline]
fn rfind(&self, f: &fn(t: &T) -> bool) -> Option<T> {
rfind(*self, f)
}
/**
* Partitions the vector into those that satisfies the predicate, and
* those that do not.
@ -2964,34 +2913,6 @@ mod tests {
assert!(position_between(v, 4u, 4u, f).is_none());
}
#[test]
fn test_find_between() {
assert!(find_between([], 0u, 0u, f).is_none());
fn f(xy: &(int, char)) -> bool { let (_x, y) = *xy; y == 'b' }
let v = ~[(0, 'a'), (1, 'b'), (2, 'c'), (3, 'b')];
assert!(find_between(v, 0u, 0u, f).is_none());
assert!(find_between(v, 0u, 1u, f).is_none());
assert_eq!(find_between(v, 0u, 2u, f), Some((1, 'b')));
assert_eq!(find_between(v, 0u, 3u, f), Some((1, 'b')));
assert_eq!(find_between(v, 0u, 4u, f), Some((1, 'b')));
assert!(find_between(v, 1u, 1u, f).is_none());
assert_eq!(find_between(v, 1u, 2u, f), Some((1, 'b')));
assert_eq!(find_between(v, 1u, 3u, f), Some((1, 'b')));
assert_eq!(find_between(v, 1u, 4u, f), Some((1, 'b')));
assert!(find_between(v, 2u, 2u, f).is_none());
assert!(find_between(v, 2u, 3u, f).is_none());
assert_eq!(find_between(v, 2u, 4u, f), Some((3, 'b')));
assert!(find_between(v, 3u, 3u, f).is_none());
assert_eq!(find_between(v, 3u, 4u, f), Some((3, 'b')));
assert!(find_between(v, 4u, 4u, f).is_none());
}
#[test]
fn test_rposition() {
fn f(xy: &(int, char)) -> bool { let (_x, y) = *xy; y == 'b' }
@ -3030,46 +2951,6 @@ mod tests {
assert!(rposition_between(v, 4u, 4u, f).is_none());
}
#[test]
fn test_rfind() {
assert!(rfind([], f).is_none());
fn f(xy: &(int, char)) -> bool { let (_x, y) = *xy; y == 'b' }
fn g(xy: &(int, char)) -> bool { let (_x, y) = *xy; y == 'd' }
let v = ~[(0, 'a'), (1, 'b'), (2, 'c'), (3, 'b')];
assert_eq!(rfind(v, f), Some((3, 'b')));
assert!(rfind(v, g).is_none());
}
#[test]
fn test_rfind_between() {
assert!(rfind_between([], 0u, 0u, f).is_none());
fn f(xy: &(int, char)) -> bool { let (_x, y) = *xy; y == 'b' }
let v = ~[(0, 'a'), (1, 'b'), (2, 'c'), (3, 'b')];
assert!(rfind_between(v, 0u, 0u, f).is_none());
assert!(rfind_between(v, 0u, 1u, f).is_none());
assert_eq!(rfind_between(v, 0u, 2u, f), Some((1, 'b')));
assert_eq!(rfind_between(v, 0u, 3u, f), Some((1, 'b')));
assert_eq!(rfind_between(v, 0u, 4u, f), Some((3, 'b')));
assert!(rfind_between(v, 1u, 1u, f).is_none());
assert_eq!(rfind_between(v, 1u, 2u, f), Some((1, 'b')));
assert_eq!(rfind_between(v, 1u, 3u, f), Some((1, 'b')));
assert_eq!(rfind_between(v, 1u, 4u, f), Some((3, 'b')));
assert!(rfind_between(v, 2u, 2u, f).is_none());
assert!(rfind_between(v, 2u, 3u, f).is_none());
assert_eq!(rfind_between(v, 2u, 4u, f), Some((3, 'b')));
assert!(rfind_between(v, 3u, 3u, f).is_none());
assert_eq!(rfind_between(v, 3u, 4u, f), Some((3, 'b')));
assert!(rfind_between(v, 4u, 4u, f).is_none());
}
#[test]
fn test_bsearch_elem() {
assert_eq!(bsearch_elem([1,2,3,4,5], &5), Some(4));