RFC 2008: Stabilization
This commit stabilizes RFC 2008 (#44109) by removing the feature gate. Signed-off-by: David Wood <david@davidtw.co>
This commit is contained in:
David Wood
parent
dd2df8f97d
commit
e0590ea76f
36 changed files with 30 additions and 155 deletions
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@ -1,10 +0,0 @@
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//#![feature(non_exhaustive)]
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#[non_exhaustive] //~ERROR the `#[non_exhaustive]` attribute is an experimental feature
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pub enum NonExhaustiveEnum {
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Unit,
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Tuple(u32),
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Struct { field: u32 }
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}
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fn main() { }
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@ -1,12 +0,0 @@
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error[E0658]: the `#[non_exhaustive]` attribute is an experimental feature
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--> $DIR/feature-gate-non_exhaustive.rs:3:1
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LL | #[non_exhaustive]
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| ^^^^^^^^^^^^^^^^^
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= note: for more information, see https://github.com/rust-lang/rust/issues/44109
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= help: add `#![feature(non_exhaustive)]` to the crate attributes to enable
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0658`.
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@ -1,5 +1,4 @@
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#![crate_type = "rlib"]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum NonExhaustiveEnum {
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@ -1,5 +1,3 @@
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub struct NormalStruct {
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pub first_field: u16,
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@ -1,5 +1,4 @@
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#![crate_type = "rlib"]
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#![feature(non_exhaustive)]
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pub enum NonExhaustiveVariants {
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#[non_exhaustive] Unit,
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@ -1,7 +1,5 @@
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// run-pass
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum NonExhaustiveEnum {
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Unit,
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@ -1,5 +1,3 @@
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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#[repr(C)]
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pub enum NonExhaustiveEnum {
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@ -1,5 +1,4 @@
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// check-pass
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#![feature(non_exhaustive)]
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#![deny(improper_ctypes)]
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// This test checks that non-exhaustive types with `#[repr(C)]` are considered proper within
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@ -1,5 +1,3 @@
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#![feature(non_exhaustive)]
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#[non_exhaustive(anything)]
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//~^ ERROR malformed `non_exhaustive` attribute
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struct Foo;
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@ -1,11 +1,11 @@
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error: malformed `non_exhaustive` attribute input
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--> $DIR/invalid-attribute.rs:3:1
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--> $DIR/invalid-attribute.rs:1:1
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LL | #[non_exhaustive(anything)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[non_exhaustive]`
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error[E0701]: attribute can only be applied to a struct or enum
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--> $DIR/invalid-attribute.rs:7:1
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--> $DIR/invalid-attribute.rs:5:1
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LL | #[non_exhaustive]
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| ^^^^^^^^^^^^^^^^^
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@ -14,7 +14,7 @@ LL | trait Bar { }
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| ------------- not a struct or enum
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error[E0701]: attribute can only be applied to a struct or enum
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--> $DIR/invalid-attribute.rs:11:1
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--> $DIR/invalid-attribute.rs:9:1
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LL | #[non_exhaustive]
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| ^^^^^^^^^^^^^^^^^
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@ -16,7 +16,7 @@ error[E0603]: tuple struct constructor `TupleStruct` is private
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LL | let ts_explicit = structs::TupleStruct(640, 480);
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| ^^^^^^^^^^^
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::: $DIR/auxiliary/structs.rs:13:24
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::: $DIR/auxiliary/structs.rs:11:24
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LL | pub struct TupleStruct(pub u16, pub u16);
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| ---------------- a constructor is private if any of the fields is private
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@ -1,7 +1,6 @@
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// run-pass
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#![allow(unused_variables)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub struct NormalStruct {
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@ -1,6 +1,5 @@
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#![crate_type = "rlib"]
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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error[E0308]: mismatched types
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--> $DIR/coercions_same_crate.rs:31:5
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--> $DIR/coercions_same_crate.rs:30:5
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LL | fn cannot_coerce_empty_enum_to_anything(x: UninhabitedEnum) -> A {
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| - expected `A` because of return type
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@ -10,7 +10,7 @@ LL | x
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found type `UninhabitedEnum`
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error[E0308]: mismatched types
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--> $DIR/coercions_same_crate.rs:35:5
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--> $DIR/coercions_same_crate.rs:34:5
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LL | fn cannot_coerce_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A {
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| - expected `A` because of return type
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@ -21,7 +21,7 @@ LL | x
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found type `UninhabitedTupleStruct`
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error[E0308]: mismatched types
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--> $DIR/coercions_same_crate.rs:39:5
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--> $DIR/coercions_same_crate.rs:38:5
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LL | fn cannot_coerce_empty_struct_to_anything(x: UninhabitedStruct) -> A {
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| - expected `A` because of return type
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@ -32,7 +32,7 @@ LL | x
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found type `UninhabitedStruct`
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error[E0308]: mismatched types
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--> $DIR/coercions_same_crate.rs:43:5
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--> $DIR/coercions_same_crate.rs:42:5
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LL | fn cannot_coerce_enum_with_empty_variants_to_anything(x: UninhabitedVariants) -> A {
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| - expected `A` because of return type
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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error[E0004]: non-exhaustive patterns: pattern `IndirectUninhabitedEnum` of type `IndirectUninhabitedEnum` is not handled
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--> $DIR/indirect_match_same_crate.rs:35:11
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--> $DIR/indirect_match_same_crate.rs:34:11
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LL | pub struct IndirectUninhabitedEnum(UninhabitedEnum);
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| ----------------------------------------------------
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@ -13,7 +13,7 @@ LL | match x {}
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= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
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error[E0004]: non-exhaustive patterns: pattern `IndirectUninhabitedStruct` of type `IndirectUninhabitedStruct` is not handled
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--> $DIR/indirect_match_same_crate.rs:39:11
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--> $DIR/indirect_match_same_crate.rs:38:11
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LL | pub struct IndirectUninhabitedStruct(UninhabitedStruct);
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| --------------------------------------------------------
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@ -27,7 +27,7 @@ LL | match x {}
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= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
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error[E0004]: non-exhaustive patterns: pattern `IndirectUninhabitedTupleStruct` of type `IndirectUninhabitedTupleStruct` is not handled
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--> $DIR/indirect_match_same_crate.rs:43:11
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--> $DIR/indirect_match_same_crate.rs:42:11
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LL | pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct);
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| ------------------------------------------------------------------
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= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
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error[E0004]: non-exhaustive patterns: pattern `IndirectUninhabitedVariants` of type `IndirectUninhabitedVariants` is not handled
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--> $DIR/indirect_match_same_crate.rs:49:11
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--> $DIR/indirect_match_same_crate.rs:48:11
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LL | pub struct IndirectUninhabitedVariants(UninhabitedVariants);
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| ------------------------------------------------------------
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#![deny(unreachable_patterns)]
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#![feature(exhaustive_patterns)]
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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// aux-build:uninhabited.rs
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#![deny(unreachable_patterns)]
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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extern crate uninhabited;
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error: unreachable pattern
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--> $DIR/issue-65157-repeated-match-arm.rs:16:9
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--> $DIR/issue-65157-repeated-match-arm.rs:15:9
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LL | PartiallyInhabitedVariants::Struct { .. } => {},
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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error[E0004]: non-exhaustive patterns: pattern `UninhabitedStruct` of type `UninhabitedStruct` is not handled
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--> $DIR/match_same_crate.rs:31:11
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--> $DIR/match_same_crate.rs:30:11
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LL | pub struct UninhabitedStruct {
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| - ----------------- variant not covered
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= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
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error[E0004]: non-exhaustive patterns: pattern `UninhabitedTupleStruct` of type `UninhabitedTupleStruct` is not handled
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--> $DIR/match_same_crate.rs:35:11
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--> $DIR/match_same_crate.rs:34:11
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LL | pub struct UninhabitedTupleStruct(!);
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| -------------------------------------
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= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
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error[E0004]: non-exhaustive patterns: multiple patterns of type `UninhabitedVariants` are not handled
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--> $DIR/match_same_crate.rs:39:11
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--> $DIR/match_same_crate.rs:38:11
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LL | / pub enum UninhabitedVariants {
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LL | | #[non_exhaustive] Tuple(!),
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#![deny(unreachable_patterns)]
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#![feature(exhaustive_patterns)]
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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#![deny(unreachable_patterns)]
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#![feature(exhaustive_patterns)]
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#![feature(never_type)]
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#![feature(non_exhaustive)]
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#[non_exhaustive]
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pub enum UninhabitedEnum {
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error: unreachable pattern
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--> $DIR/patterns_same_crate.rs:53:9
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--> $DIR/patterns_same_crate.rs:52:9
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LL | Some(_x) => (),
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| ^^^^^^^^
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| ^^^^^^^^^^^^^^^^^^^^
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error: unreachable pattern
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--> $DIR/patterns_same_crate.rs:58:9
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--> $DIR/patterns_same_crate.rs:57:9
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LL | Some(_x) => (),
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| ^^^^^^^^
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error: unreachable pattern
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--> $DIR/patterns_same_crate.rs:62:15
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--> $DIR/patterns_same_crate.rs:61:15
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LL | while let PartiallyInhabitedVariants::Struct { x } = partially_inhabited_variant() {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: unreachable pattern
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--> $DIR/patterns_same_crate.rs:66:15
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--> $DIR/patterns_same_crate.rs:65:15
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LL | while let Some(_x) = uninhabited_struct() {
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| ^^^^^^^^
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error: unreachable pattern
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--> $DIR/patterns_same_crate.rs:69:15
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--> $DIR/patterns_same_crate.rs:68:15
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LL | while let Some(_x) = uninhabited_tuple_struct() {
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| ^^^^^^^^
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// run-pass
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#![feature(non_exhaustive)]
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pub enum NonExhaustiveVariants {
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#[non_exhaustive] Unit,
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#[non_exhaustive] Tuple(u32),
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