11Version 1.7.0 (2016-03-03)
22==========================
33
4- Language
5- --------
6-
7- * Soundness fixes to the interactions between associated types and
8- lifetimes, specified in [ RFC 1214] , [ now generate errors] [ 1.7sf ] for
9- code that violates the new rules. This is a significant change that
10- is known to break existing code, so it has emitted warnings for the
11- new error cases since 1.4 to give crate authors time to adapt. The
12- details of what is changing are subtle; read the RFC for more.
13-
144Libraries
155---------
166
17- * Stabilized APIs:
18- [ ` Path::strip_prefix ` ] [ ] (renamed from relative_from),
19- [ ` path::StripPrefixError ` ] [ ] (new error type returned from strip_prefix),
20- [ ` Ipv4Addr::is_loopback ` ] ,
21- [ ` Ipv4Addr::is_private ` ] ,
22- [ ` Ipv4Addr::is_link_local ` ] ,
23- [ ` Ipv4Addr::is_multicast ` ] ,
24- [ ` Ipv4Addr::is_broadcast ` ] ,
25- [ ` Ipv4Addr::is_documentation ` ] ,
26- [ ` Ipv6Addr::is_unspecified ` ] ,
27- [ ` Ipv6Addr::is_loopback ` ] ,
28- [ ` Ipv6Addr::is_multicast ` ] ,
29- [ ` Vec::as_slice ` ] ,
30- [ ` Vec::as_mut_slice ` ] ,
31- [ ` String::as_str ` ] ,
32- [ ` String::as_mut_str ` ] ,
33- ` <[T]>:: ` [ ` clone_from_slice ` ] , which now requires the two slices to
34- be the same length
35- ` <[T]>:: ` [ ` sort_by_key ` ] ,
36- [ ` i32::checked_rem ` ] ,
37- [ ` i32::checked_neg ` ] ,
38- [ ` i32::checked_shl ` ] ,
39- [ ` i32::checked_shr ` ] ,
40- [ ` i32::saturating_mul ` ] ,
41- [ ` i32::overflowing_add ` ] ,
42- [ ` i32::overflowing_sub ` ] ,
43- [ ` i32::overflowing_mul ` ] ,
44- [ ` i32::overflowing_div ` ] ,
45- [ ` i32::overflowing_rem ` ] ,
46- [ ` i32::overflowing_neg ` ] ,
47- [ ` i32::overflowing_shl ` ] ,
48- [ ` i32::overflowing_shr ` ] ,
49- [ ` u32::checked_rem ` ] ,
50- [ ` u32::checked_neg ` ] ,
51- [ ` u32::checked_shl ` ] ,
52- [ ` u32::checked_shl ` ] ,
53- [ ` u32::saturating_mul ` ] ,
54- [ ` u32::overflowing_add ` ] ,
55- [ ` u32::overflowing_sub ` ] ,
56- [ ` u32::overflowing_mul ` ] ,
57- [ ` u32::overflowing_div ` ] ,
58- [ ` u32::overflowing_rem ` ] ,
59- [ ` u32::overflowing_neg ` ] ,
60- [ ` u32::overflowing_shl ` ] ,
61- [ ` u32::overflowing_shr ` ] ,
62- checked, saturated, and overflowing operations for other primitive types,
63- [ ` ffi::IntoStringError ` ] ,
64- [ ` CString::into_string ` ] ,
65- [ ` CString::into_bytes ` ] ,
66- [ ` CString::into_bytes_with_nul ` ] ,
67- ` From<CString> for Vec<u8> ` ,
68- [ ` IntoStringError::into_cstring ` ] ,
69- [ ` IntoStringError::utf8_error ` ] ,
70- ` Error for IntoStringError ` .
7+ * Stabilized APIs
8+ * ` Path `
9+ * [ ` Path::strip_prefix ` ] [ ] (renamed from relative_from)
10+ * [ ` path::StripPrefixError ` ] [ ] (new error type returned from strip_prefix)
11+ * ` Ipv4Addr `
12+ * [ ` Ipv4Addr::is_loopback ` ]
13+ * [ ` Ipv4Addr::is_private ` ]
14+ * [ ` Ipv4Addr::is_link_local ` ]
15+ * [ ` Ipv4Addr::is_multicast ` ]
16+ * [ ` Ipv4Addr::is_broadcast ` ]
17+ * [ ` Ipv4Addr::is_documentation ` ]
18+ * ` Ipv6Addr `
19+ * [ ` Ipv6Addr::is_unspecified ` ]
20+ * [ ` Ipv6Addr::is_loopback ` ]
21+ * [ ` Ipv6Addr::is_multicast ` ]
22+ * ` Vec `
23+ * [ ` Vec::as_slice ` ]
24+ * [ ` Vec::as_mut_slice ` ]
25+ * ` String `
26+ * [ ` String::as_str ` ]
27+ * [ ` String::as_mut_str ` ]
28+ * Slices
29+ * ` <[T]>:: ` [ ` clone_from_slice ` ] , which now requires the two slices to
30+ be the same length
31+ * ` <[T]>:: ` [ ` sort_by_key ` ]
32+ * checked, saturated, and overflowing operations
33+ * [ ` i32::checked_rem ` ] , [ ` i32::checked_neg ` ] , [ ` i32::checked_shl ` ] , [ ` i32::checked_shr ` ]
34+ * [ ` i32::saturating_mul ` ]
35+ * [ ` i32::overflowing_add ` ] , [ ` i32::overflowing_sub ` ] , [ ` i32::overflowing_mul ` ] , [ ` i32::overflowing_div ` ]
36+ * [ ` i32::overflowing_rem ` ] , [ ` i32::overflowing_neg ` ] , [ ` i32::overflowing_shl ` ] , [ ` i32::overflowing_shr ` ]
37+ * [ ` u32::checked_rem ` ] , [ ` u32::checked_neg ` ] , [ ` u32::checked_shl ` ] , [ ` u32::checked_shl ` ]
38+ * [ ` u32::saturating_mul ` ]
39+ * [ ` u32::overflowing_add ` ] , [ ` u32::overflowing_sub ` ] , [ ` u32::overflowing_mul ` ] , [ ` u32::overflowing_div ` ]
40+ * [ ` u32::overflowing_rem ` ] , [ ` u32::overflowing_neg ` ] , [ ` u32::overflowing_shl ` ] , [ ` u32::overflowing_shr ` ]
41+ * and checked, saturated, and overflowing operations for other primitive types
42+ * FFI
43+ * [ ` ffi::IntoStringError ` ]
44+ * [ ` CString::into_string ` ]
45+ * [ ` CString::into_bytes ` ]
46+ * [ ` CString::into_bytes_with_nul ` ]
47+ * ` From<CString> for Vec<u8> `
48+ * ` IntoStringError `
49+ * [ ` IntoStringError::into_cstring ` ]
50+ * [ ` IntoStringError::utf8_error ` ]
51+ * ` Error for IntoStringError `
52+ * Hashing
53+ * [ ` std::hash::BuildHasher ` ]
54+ * [ ` BuildHasher::Hasher ` ]
55+ * [ ` BuildHasher::build_hasher ` ]
56+ * [ ` std::hash::BuildHasherDefault ` ]
57+ * [ ` HashMap::with_hasher ` ]
58+ * [ ` HashMap::with_capacity_and_hasher ` ]
59+ * [ ` HashSet::with_hasher ` ]
60+ * [ ` HashSet::with_capacity_and_hasher ` ]
61+ * [ ` std::collections::hash_map::RandomState ` ]
62+ * [ ` RandomState::new ` ]
7163* [ Validating UTF-8 is faster by a factor of between 7 and 14x for
7264 ASCII input] [ 1.7utf8 ] . This means that creating ` String ` s and ` str ` s
7365 from bytes is faster.
7466* [ The performance of ` LineWriter ` (and thus ` io::stdout ` ) was
7567 improved by using ` memchr ` to search for newlines] [ 1.7m ] .
7668* [ ` f32::to_degrees ` and ` f32::to_radians ` are stable] [ 1.7f ] . The
7769 ` f64 ` variants were stabilized previously.
78- * [ ` BTreeMap ` was rewritten to use less memory improve performance of
79- insertion and iteration, the latter by as much as 5x` ] [ 1.7bm ] .
70+ * [ ` BTreeMap ` was rewritten to use less memory and improve the performance
71+ of insertion and iteration, the latter by as much as 5x] [ 1.7bm ] .
8072* [ ` BTreeSet ` and its iterators, ` Iter ` , ` IntoIter ` , and ` Range ` are
8173 covariant over their contained type] [ 1.7bt ] .
8274* [ ` LinkedList ` and its iterators, ` Iter ` and ` IntoIter ` are covariant
@@ -89,9 +81,6 @@ Libraries
8981Misc
9082----
9183
92- * [ The ` --error-format=json ` flag to ` rustc ` causes it to emit errors
93- in JSON format] [ 1.7j ] . This is an unstable flag and so also requires
94- the ` -Z unstable-options ` flag.
9584* [ When running tests with ` --test ` , rustdoc will pass ` --cfg `
9685 arguments to the compiler] [ 1.7dt ] .
9786* [ The compiler is built with RPATH information by default] [ 1.7rpa ] .
@@ -113,6 +102,12 @@ Cargo
113102Compatibility Notes
114103-------------------
115104
105+ * Soundness fixes to the interactions between associated types and
106+ lifetimes, specified in [ RFC 1214] , [ now generate errors] [ 1.7sf ] for
107+ code that violates the new rules. This is a significant change that
108+ is known to break existing code, so it has emitted warnings for the
109+ new error cases since 1.4 to give crate authors time to adapt. The
110+ details of what is changing are subtle; read the RFC for more.
116111* [ Several bugs in the compiler's visibility calculations were
117112 fixed] [ 1.7v ] . Since this was found to break significant amounts of
118113 code, the new errors will be emitted as warnings for several release
@@ -121,8 +116,8 @@ Compatibility Notes
121116 that were not intended. In this release, [ defaulted type parameters
122117 appearing outside of type definitions will generate a
123118 warning] [ 1.7d ] , which will become an error in future releases.
124- * [ Parsing "." as a float results in an error instead of
125- 0 ] [ 1.7p ] . That is, ` ".".parse::<f32>() ` returns ` Err ` , not ` Ok(0) ` .
119+ * [ Parsing "." as a float results in an error instead of 0 ] [ 1.7p ] .
120+ That is, ` ".".parse::<f32>() ` returns ` Err ` , not ` Ok(0. 0) ` .
126121* [ Borrows of closure parameters may not outlive the closure] [ 1.7bc ] .
127122
128123[ 1.7a ] : https://github.com/rust-lang/rust/pull/30928
@@ -135,7 +130,6 @@ Compatibility Notes
135130[ 1.7dta ] : https://github.com/rust-lang/rust/pull/30394
136131[ 1.7f ] : https://github.com/rust-lang/rust/pull/30672
137132[ 1.7h ] : https://github.com/rust-lang/rust/pull/30818
138- [ 1.7j ] : https://github.com/rust-lang/rust/pull/30711
139133[ 1.7ll ] : https://github.com/rust-lang/rust/pull/30663
140134[ 1.7m ] : https://github.com/rust-lang/rust/pull/30381
141135[ 1.7p ] : https://github.com/rust-lang/rust/pull/30681
@@ -146,11 +140,15 @@ Compatibility Notes
146140[ 1.7utf8 ] : https://github.com/rust-lang/rust/pull/30740
147141[ 1.7v ] : https://github.com/rust-lang/rust/pull/29973
148142[ RFC 1214 ] : https://github.com/rust-lang/rfcs/blob/master/text/1214-projections-lifetimes-and-wf.md
149- [ `clone_from_slice ` ] : http://doc.rust-lang.org/nightly/std/primitive.slice .html#method.clone_from_slice
150- [ `sort_by_key ` ] : http://doc.rust-lang.org/nightly/std/primitive.slice .html#method.sort_by_key
143+ [ `BuildHasher::Hasher ` ] : http://doc.rust-lang.org/nightly/std/hash/trait.Hasher .html
144+ [ `BuildHasher::build_hasher ` ] : http://doc.rust-lang.org/nightly/std/hash/trait.BuildHasher .html#tymethod.build_hasher
151145[ `CString::into_bytes_with_nul` ] : http://doc.rust-lang.org/nightly/std/ffi/struct.CString.html#method.into_bytes_with_nul
152146[ `CString::into_bytes` ] : http://doc.rust-lang.org/nightly/std/ffi/struct.CString.html#method.into_bytes
153147[ `CString::into_string` ] : http://doc.rust-lang.org/nightly/std/ffi/struct.CString.html#method.into_string
148+ [ `HashMap::with_capacity_and_hasher` ] : http://doc.rust-lang.org/nightly/std/collections/struct.HashMap.html#method.with_capacity_and_hasher
149+ [ `HashMap::with_hasher` ] : http://doc.rust-lang.org/nightly/std/collections/struct.HashMap.html#method.with_hasher
150+ [ `HashSet::with_capacity_and_hasher` ] : http://doc.rust-lang.org/nightly/std/collections/struct.HashSet.html#method.with_capacity_and_hasher
151+ [ `HashSet::with_hasher` ] : http://doc.rust-lang.org/nightly/std/collections/struct.HashSet.html#method.with_hasher
154152[ `IntoStringError::into_cstring` ] : http://doc.rust-lang.org/nightly/std/ffi/struct.IntoStringError.html#method.into_cstring
155153[ `IntoStringError::utf8_error` ] : http://doc.rust-lang.org/nightly/std/ffi/struct.IntoStringError.html#method.utf8_error
156154[ `Ipv4Addr::is_broadcast` ] : http://doc.rust-lang.org/nightly/std/net/struct.Ipv4Addr.html#method.is_broadcast
@@ -163,10 +161,12 @@ Compatibility Notes
163161[ `Ipv6Addr::is_multicast` ] : http://doc.rust-lang.org/nightly/std/net/struct.Ipv6Addr.html#method.is_multicast
164162[ `Ipv6Addr::is_unspecified` ] : http://doc.rust-lang.org/nightly/std/net/struct.Ipv6Addr.html#method.is_unspecified
165163[ `Path::strip_prefix` ] : http://doc.rust-lang.org/nightly/std/path/struct.Path.html#method.strip_prefix
164+ [ `RandomState::new` ] : http://doc.rust-lang.org/nightly/std/collections/hash_map/struct.RandomState.html#method.new
166165[ `String::as_mut_str` ] : http://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_mut_str
167166[ `String::as_str` ] : http://doc.rust-lang.org/nightly/std/string/struct.String.html#method.as_str
168167[ `Vec::as_mut_slice` ] : http://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_mut_slice
169168[ `Vec::as_slice` ] : http://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.as_slice
169+ [ `clone_from_slice` ] : http://doc.rust-lang.org/nightly/std/primitive.slice.html#method.clone_from_slice
170170[ `ffi::IntoStringError` ] : http://doc.rust-lang.org/nightly/std/ffi/struct.IntoStringError.html
171171[ `i32::checked_neg` ] : http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.checked_neg
172172[ `i32::checked_rem` ] : http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.checked_rem
@@ -182,7 +182,13 @@ Compatibility Notes
182182[ `i32::overflowing_sub` ] : http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.overflowing_sub
183183[ `i32::saturating_mul` ] : http://doc.rust-lang.org/nightly/std/primitive.i32.html#method.saturating_mul
184184[ `path::StripPrefixError` ] : http://doc.rust-lang.org/nightly/std/path/struct.StripPrefixError.html
185+ [ `sort_by_key` ] : http://doc.rust-lang.org/nightly/std/primitive.slice.html#method.sort_by_key
186+ [ `std::collections::hash_map::RandomState` ] : http://doc.rust-lang.org/nightly/std/collections/hash_map/struct.RandomState.html
187+ [ `std::hash::BuildHasherDefault` ] : http://doc.rust-lang.org/nightly/std/hash/struct.BuildHasherDefault.html
188+ [ `std::hash::BuildHasher` ] : http://doc.rust-lang.org/nightly/std/hash/trait.BuildHasher.html
189+ [ `u32::checked_neg` ] : http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_neg
185190[ `u32::checked_rem` ] : http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_rem
191+ [ `u32::checked_neg` ] : http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_neg
186192[ `u32::checked_shl` ] : http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.checked_shl
187193[ `u32::overflowing_add` ] : http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.overflowing_add
188194[ `u32::overflowing_div` ] : http://doc.rust-lang.org/nightly/std/primitive.u32.html#method.overflowing_div
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