From 5056a43752a34ec633fb71ff395f518bfc7ce52c Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Sat, 12 Nov 2016 15:33:16 +0300 Subject: [PATCH] Stabilize Self and associated types in struct expressions and patterns --- src/librustc_typeck/check/mod.rs | 10 ------ src/libsyntax/feature_gate.rs | 6 ++-- .../struct-path-associated-type.rs | 2 -- .../struct-path-self-feature-gate.rs | 31 ------------------- .../struct-path-self-type-mismatch.rs | 2 -- src/test/compile-fail/struct-path-self.rs | 2 -- .../run-pass/struct-path-associated-type.rs | 2 -- src/test/run-pass/struct-path-self.rs | 2 -- 8 files changed, 2 insertions(+), 55 deletions(-) delete mode 100644 src/test/compile-fail/struct-path-self-feature-gate.rs diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs index e240c70aaa3..265f7641768 100644 --- a/src/librustc_typeck/check/mod.rs +++ b/src/librustc_typeck/check/mod.rs @@ -3328,16 +3328,6 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> { } Def::Struct(..) | Def::Union(..) | Def::TyAlias(..) | Def::AssociatedTy(..) | Def::SelfTy(..) => { - match def { - Def::AssociatedTy(..) | Def::SelfTy(..) - if !self.tcx.sess.features.borrow().more_struct_aliases => { - emit_feature_err(&self.tcx.sess.parse_sess, - "more_struct_aliases", path_span, GateIssue::Language, - "`Self` and associated types in struct \ - expressions and patterns are unstable"); - } - _ => {} - } match ty.sty { ty::TyAdt(adt, substs) if !adt.is_enum() => { Some((adt.struct_variant(), adt.did, substs)) diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index c25020caf85..b99300f6195 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -295,10 +295,6 @@ declare_features! ( // The #![windows_subsystem] attribute (active, windows_subsystem, "1.14.0", Some(37499)), - // Allows using `Self` and associated types in struct expressions and patterns. - (active, more_struct_aliases, "1.14.0", Some(37544)), - - // Allows #[link(..., cfg(..))] (active, link_cfg, "1.14.0", Some(37406)), @@ -378,6 +374,8 @@ declare_features! ( // Allows `..` in tuple (struct) patterns (accepted, dotdot_in_tuple_patterns, "1.14.0", Some(33627)), (accepted, item_like_imports, "1.14.0", Some(35120)), + // Allows using `Self` and associated types in struct expressions and patterns. + (accepted, more_struct_aliases, "1.14.0", Some(37544)), ); // (changing above list without updating src/doc/reference.md makes @cmr sad) diff --git a/src/test/compile-fail/struct-path-associated-type.rs b/src/test/compile-fail/struct-path-associated-type.rs index ecaf269fcb1..660ac44ce0b 100644 --- a/src/test/compile-fail/struct-path-associated-type.rs +++ b/src/test/compile-fail/struct-path-associated-type.rs @@ -8,8 +8,6 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -#![feature(more_struct_aliases)] - struct S; trait Tr { diff --git a/src/test/compile-fail/struct-path-self-feature-gate.rs b/src/test/compile-fail/struct-path-self-feature-gate.rs deleted file mode 100644 index c40d0574955..00000000000 --- a/src/test/compile-fail/struct-path-self-feature-gate.rs +++ /dev/null @@ -1,31 +0,0 @@ -// Copyright 2016 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 or the MIT license -// , at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -// gate-test-more_struct_aliases - -struct S; - -trait Tr { - type A; -} - -fn f>() { - let _ = T::A {}; - //~^ ERROR `Self` and associated types in struct expressions and patterns are unstable -} - -impl S { - fn f() { - let _ = Self {}; - //~^ ERROR `Self` and associated types in struct expressions and patterns are unstable - } -} - -fn main() {} diff --git a/src/test/compile-fail/struct-path-self-type-mismatch.rs b/src/test/compile-fail/struct-path-self-type-mismatch.rs index 8352bd6751f..f694e7d277c 100644 --- a/src/test/compile-fail/struct-path-self-type-mismatch.rs +++ b/src/test/compile-fail/struct-path-self-type-mismatch.rs @@ -8,8 +8,6 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -#![feature(more_struct_aliases)] - struct Foo { inner: A } trait Bar { fn bar(); } diff --git a/src/test/compile-fail/struct-path-self.rs b/src/test/compile-fail/struct-path-self.rs index aeac199227b..067d6ac22dc 100644 --- a/src/test/compile-fail/struct-path-self.rs +++ b/src/test/compile-fail/struct-path-self.rs @@ -8,8 +8,6 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -#![feature(more_struct_aliases)] - struct S; trait Tr { diff --git a/src/test/run-pass/struct-path-associated-type.rs b/src/test/run-pass/struct-path-associated-type.rs index 292761dfd00..b033ed5c802 100644 --- a/src/test/run-pass/struct-path-associated-type.rs +++ b/src/test/run-pass/struct-path-associated-type.rs @@ -8,8 +8,6 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -#![feature(more_struct_aliases)] - struct S { a: T, b: U, diff --git a/src/test/run-pass/struct-path-self.rs b/src/test/run-pass/struct-path-self.rs index b569ab62c1b..c7a282c2a2f 100644 --- a/src/test/run-pass/struct-path-self.rs +++ b/src/test/run-pass/struct-path-self.rs @@ -8,8 +8,6 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -#![feature(more_struct_aliases)] - use std::ops::Add; struct S {