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Constness -> enum Const { Yes(Span), No }

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Same idea for `Unsafety` & use new span for better diagnostics.
This commit is contained in:
Mazdak Farrokhzad 2020-01-30 02:42:33 +01:00
parent 2e6eaceede
commit e839b2ec84
40 changed files with 238 additions and 212 deletions
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4
src/test/ui/coherence/coherence-negative-impls-safe.stderr
View file

@ -2,7 +2,9 @@ error[E0198]: negative impls cannot be unsafe
--> $DIR/coherence-negative-impls-safe.rs:7:1
|
LL | unsafe impl !Send for TestType {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ------^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| unsafe because of this
error: aborting due to previous error

6
src/test/ui/const-generics/const-fn-with-const-param.stderr
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@ -1,7 +1,11 @@
error: const parameters are not permitted in `const fn`
--> $DIR/const-fn-with-const-param.rs:4:1
|
LL | / const fn const_u32_identity<const X: u32>() -> u32 {
LL | const fn const_u32_identity<const X: u32>() -> u32 {
| ^----
| |
| _`const fn` because of this
| |
LL | |
LL | | X
LL | | }

4
src/test/ui/error-codes/E0197.stderr
View file

@ -2,7 +2,9 @@ error[E0197]: inherent impls cannot be unsafe
--> $DIR/E0197.rs:3:1
|
LL | unsafe impl Foo { }
| ^^^^^^^^^^^^^^^^^^^
| ------^^^^^^^^^^^^^
| |
| unsafe because of this
error: aborting due to previous error

4
src/test/ui/error-codes/E0198.stderr
View file

@ -2,7 +2,9 @@ error[E0198]: negative impls cannot be unsafe
--> $DIR/E0198.rs:5:1
|
LL | unsafe impl !Send for Foo { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ------^^^^^^^^^^^^^^^^^^^^^^^
| |
| unsafe because of this
error: aborting due to previous error

4
src/test/ui/rfc-2632-const-trait-impl/feature-gate.gated.stderr
View file

@ -2,7 +2,9 @@ error: const trait impls are not yet implemented
--> $DIR/feature-gate.rs:9:1
|
LL | impl const T for S {}
| ^^^^^^^^^^^^^^^^^^^^^
| ^^^^^-----^^^^^^^^^^^
| |
| const because of this
error: aborting due to previous error

4
src/test/ui/rfc-2632-const-trait-impl/feature-gate.stock.stderr
View file

@ -11,7 +11,9 @@ error: const trait impls are not yet implemented
--> $DIR/feature-gate.rs:9:1
|
LL | impl const T for S {}
| ^^^^^^^^^^^^^^^^^^^^^
| ^^^^^-----^^^^^^^^^^^
| |
| const because of this
error: aborting due to 2 previous errors

16
src/test/ui/rfc-2632-const-trait-impl/inherent-impl.stderr
View file

@ -2,7 +2,9 @@ error: inherent impls cannot be `const`
--> $DIR/inherent-impl.rs:9:1
|
LL | impl const S {}
| ^^^^^^^^^^^^^^^
| ^^^^^-----^^^^^
| |
| `const` because of this
|
= note: only trait implementations may be annotated with `const`
@ -10,7 +12,9 @@ error: inherent impls cannot be `const`
--> $DIR/inherent-impl.rs:13:1
|
LL | impl const T {}
| ^^^^^^^^^^^^^^^
| ^^^^^-----^^^^^
| |
| `const` because of this
|
= note: only trait implementations may be annotated with `const`
@ -18,13 +22,17 @@ error: const trait impls are not yet implemented
--> $DIR/inherent-impl.rs:9:1
|
LL | impl const S {}
| ^^^^^^^^^^^^^^^
| ^^^^^-----^^^^^
| |
| const because of this
error: const trait impls are not yet implemented
--> $DIR/inherent-impl.rs:13:1
|
LL | impl const T {}
| ^^^^^^^^^^^^^^^
| ^^^^^-----^^^^^
| |
| const because of this
error: aborting due to 4 previous errors

8
src/test/ui/syntax-trait-polarity.stderr
View file

@ -8,7 +8,9 @@ error[E0198]: negative impls cannot be unsafe
--> $DIR/syntax-trait-polarity.rs:12:1
|
LL | unsafe impl !Send for TestType {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ------^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| unsafe because of this
error: inherent impls cannot be negative
--> $DIR/syntax-trait-polarity.rs:19:1
@ -20,7 +22,9 @@ error[E0198]: negative impls cannot be unsafe
--> $DIR/syntax-trait-polarity.rs:22:1
|
LL | unsafe impl<T> !Send for TestType2<T> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| unsafe because of this
error[E0192]: negative impls are only allowed for auto traits (e.g., `Send` and `Sync`)
--> $DIR/syntax-trait-polarity.rs:14:1

6
src/test/ui/traits/trait-safety-inherent-impl.stderr
View file

@ -1,7 +1,11 @@
error[E0197]: inherent impls cannot be unsafe
--> $DIR/trait-safety-inherent-impl.rs:5:1
|
LL | / unsafe impl SomeStruct {
LL | unsafe impl SomeStruct {
| ^-----
| |
| _unsafe because of this
| |
LL | | fn foo(self) { }
LL | | }
| |_^