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implement feature tuple_struct_self_ctor

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This commit is contained in:
F001 2018-08-28 12:51:43 +08:00
parent f2302daef3
commit a489169912
9 changed files with 255 additions and 42 deletions
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19
src/test/ui/feature-gates/feature-gate-tuple-struct-self-ctor.rs Normal file
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@ -0,0 +1,19 @@
// Copyright 2018 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
struct ST(i32, i32);
impl ST {
fn ctor() -> Self {
Self(1,2)
//~^ ERROR: expected function, found self type `Self` [E0423]
//~^^ ERROR: tuple struct Self constructors are unstable (see issue #51994) [E0658]
}
}

20
src/test/ui/feature-gates/feature-gate-tuple-struct-self-ctor.stderr Normal file
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@ -0,0 +1,20 @@
error[E0423]: expected function, found self type `Self`
--> $DIR/feature-gate-tuple-struct-self-ctor.rs:15:9
|
LL | Self(1,2)
| ^^^^ not a function
|
= note: can't use `Self` as a constructor, you must use the implemented struct
error[E0658]: tuple struct Self constructors are unstable (see issue #51994)
--> $DIR/feature-gate-tuple-struct-self-ctor.rs:15:9
|
LL | Self(1,2)
| ^^^^^^^^^
|
= help: add #![feature(tuple_struct_self_ctor)] to the crate attributes to enable
error: aborting due to 2 previous errors
Some errors occurred: E0423, E0658.
For more information about an error, try `rustc --explain E0423`.

9
src/test/ui/resolve/tuple-struct-alias.rs
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@ -11,15 +11,6 @@
struct S(u8, u16);
type A = S;
impl S {
fn f() {
let s = Self(0, 1); //~ ERROR expected function
match s {
Self(..) => {} //~ ERROR expected tuple struct/variant
}
}
}
fn main() {
let s = A(0, 1); //~ ERROR expected function
match s {

22
src/test/ui/resolve/tuple-struct-alias.stderr
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@ -1,21 +1,5 @@
error[E0423]: expected function, found self type `Self`
--> $DIR/tuple-struct-alias.rs:16:17
|
LL | let s = Self(0, 1); //~ ERROR expected function
| ^^^^ not a function
|
= note: can't use `Self` as a constructor, you must use the implemented struct
error[E0532]: expected tuple struct/variant, found self type `Self`
--> $DIR/tuple-struct-alias.rs:18:13
|
LL | Self(..) => {} //~ ERROR expected tuple struct/variant
| ^^^^ not a tuple struct/variant
|
= note: can't use `Self` as a constructor, you must use the implemented struct
error[E0423]: expected function, found type alias `A`
--> $DIR/tuple-struct-alias.rs:24:13
--> $DIR/tuple-struct-alias.rs:15:13
|
LL | let s = A(0, 1); //~ ERROR expected function
| ^ did you mean `S`?
@ -23,14 +7,14 @@ LL | let s = A(0, 1); //~ ERROR expected function
= note: can't use a type alias as a constructor
error[E0532]: expected tuple struct/variant, found type alias `A`
--> $DIR/tuple-struct-alias.rs:26:9
--> $DIR/tuple-struct-alias.rs:17:9
|
LL | A(..) => {} //~ ERROR expected tuple struct/variant
| ^ did you mean `S`?
|
= note: can't use a type alias as a constructor
error: aborting due to 4 previous errors
error: aborting due to 2 previous errors
Some errors occurred: E0423, E0532.
For more information about an error, try `rustc --explain E0423`.