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b032fac34e5be72aa02748eadd4e8d8917a7e758
rust/tests/ui/pattern
T
History
Esteban Küber eeadffd926 When more than a single impl and less than 4 could apply, point at them 
```
error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
  --> $DIR/issue-67185-2.rs:21:6
   |
LL | impl Foo for FooImpl {}
   |      ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]`
   |
help: the following other types implement trait `Bar`
  --> $DIR/issue-67185-2.rs:9:1
   |
LL | impl Bar for [u16; 4] {}
   | ^^^^^^^^^^^^^^^^^^^^^ `[u16; 4]`
LL | impl Bar for [[u16; 3]; 3] {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `[[u16; 3]; 3]`
note: required by a bound in `Foo`
  --> $DIR/issue-67185-2.rs:14:30
   |
LL | trait Foo
   |       --- required by a bound in this trait
LL | where
LL |     [<u8 as Baz>::Quaks; 2]: Bar,
   |                              ^^^ required by this bound in `Foo`
```
2025-10-31 20:44:01 +00:00
..
auxiliary
Move some tests out of tests/ui
2025-05-03 17:22:52 +02:00
bindings-after-at
Diagnose liveness on MIR.
2025-10-11 20:50:21 +00:00
deref-patterns
fix: Add col separator before secondary messages with no source
2025-08-26 15:15:17 -06:00
move-ref-patterns
Mention type that could be Clone but isn't in more cases
2025-07-25 18:34:10 +00:00
rfc-3627-match-ergonomics-2024
When more than a single impl and less than 4 could apply, point at them
2025-10-31 20:44:01 +00:00
rfc-3637-guard-patterns
On binding not present in all patterns, suggest potential typo
2025-08-25 15:16:25 +00:00
usefulness
test: Subtract code_offset from width for ui_testing
2025-10-02 05:45:16 -06:00
array-length-mismatch-13482.rs
comments
2025-08-05 19:34:46 +05:00
array-length-mismatch-13482.stderr
comments
2025-08-05 19:34:46 +05:00
array-length-mismatch-verbose-13482.rs
comments
2025-08-05 19:34:46 +05:00
array-length-mismatch-verbose-13482.stderr
comments
2025-08-05 19:34:46 +05:00
at-in-struct-patterns.rs
don't uppercase error messages
2025-09-03 15:24:49 +02:00
at-in-struct-patterns.stderr
don't uppercase error messages
2025-09-03 15:24:49 +02:00
box-pattern-constructor-mismatch.rs
always check for mixed deref pattern and normal constructors
2025-07-04 23:47:31 -07:00
box-pattern-constructor-mismatch.stderr
always check for mixed deref pattern and normal constructors
2025-07-04 23:47:31 -07:00
box-pattern-type-mismatch.rs
Replace some Option<Diag> with Result<(), Diag>
2024-06-13 06:16:12 +00:00
box-pattern-type-mismatch.stderr
Replace some Option<Diag> with Result<(), Diag>
2024-06-13 06:16:12 +00:00
by-move-pattern-binding.rs
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
by-move-pattern-binding.stderr
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
byte-string-inference.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
byte-string-mutability-mismatch.rs
compiletest: Make diagnostic kind mandatory on line annotations
2025-04-30 10:44:24 +03:00
byte-string-mutability-mismatch.stderr
compiletest: Make diagnostic kind mandatory on line annotations
2025-04-30 10:44:24 +03:00
check-struct-pat-fields-stability-issue-138319.rs
Pass precise HirId when calling check_stability
2025-03-14 14:51:58 +08:00
check-struct-pat-fields-stability-issue-138319.stderr
Pass precise HirId when calling check_stability
2025-03-14 14:51:58 +08:00
complexity_limit.rs
Rename pattern_complexity attr as pattern_complexity_limit.
2025-02-17 09:30:40 +11:00
complexity_limit.stderr
Add and update tests to use pattern_complexity
2024-03-03 13:10:15 +01:00
cross-crate-enum-pattern.rs
Move some tests out of tests/ui
2025-05-03 17:22:52 +02:00
enum-struct-pattern-mismatch-15896.rs
comments
2025-08-09 16:27:20 +05:00
enum-struct-pattern-mismatch-15896.stderr
comments
2025-08-09 16:27:20 +05:00
fn-in-pat.rs
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
fn-in-pat.stderr
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
for-loop-bad-item.rs
…
for-loop-bad-item.stderr
…
ignore-all-the-things.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
inc-range-pat.rs
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
incorrect-placement-of-pattern-modifiers.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
incorrect-placement-of-pattern-modifiers.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
incorrect-placement-of-pattern-modifiers.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
integer-range-binding.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-6449.rs
Use non-2015 edition paths in tests that do not test for their resolution
2025-06-03 13:35:31 +02:00
issue-8351-1.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-8351-2.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-10392.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-11577.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-12582.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-14221.rs
Use non-2015 edition paths in tests that do not test for their resolution
2025-06-03 13:35:31 +02:00
issue-14221.stderr
Reword the "unreachable pattern" explanations
2024-08-19 21:39:57 +02:00
issue-15080.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-17718-patterns.rs
…
issue-17718-patterns.stderr
…
issue-22546.rs
Check assoc consts and tys later like assoc fns
2025-07-10 23:39:54 +08:00
issue-27320.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-28992-empty.rs
Move some tests
2024-02-09 15:43:08 -03:00
issue-28992-empty.stderr
Move some tests
2024-02-09 15:43:08 -03:00
issue-52240.rs
…
issue-52240.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-66270-pat-struct-parser-recovery.rs
…
issue-66270-pat-struct-parser-recovery.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-67037-pat-tup-scrut-ty-diff-less-fields.rs
…
issue-67037-pat-tup-scrut-ty-diff-less-fields.stderr
…
issue-67776-match-same-name-enum-variant-refs.rs
…
issue-67776-match-same-name-enum-variant-refs.stderr
…
issue-72565.rs
Avoid emitting the non_exhaustive error if other errors already occurred
2023-10-11 12:49:57 +00:00
issue-72565.stderr
Specify type kind of constant that can't be used in patterns
2024-12-04 20:29:36 +00:00
issue-72574-1.rs
…
issue-72574-1.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
issue-72574-2.rs
…
issue-72574-2.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
issue-74539.rs
…
issue-74539.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
issue-74702.rs
…
issue-74702.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
issue-74954.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-80186-mut-binding-help-suggestion.rs
…
issue-80186-mut-binding-help-suggestion.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
issue-88074-pat-range-type-inference-err.rs
…
issue-88074-pat-range-type-inference-err.stderr
…
issue-88074-pat-range-type-inference.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-92074-macro-ice.rs
…
issue-92074-macro-ice.stderr
Change wording
2024-04-29 14:53:38 +02:00
issue-94866.rs
…
issue-94866.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-95878.rs
…
issue-95878.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-106552.rs
…
issue-106552.stderr
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
issue-106862.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-106862.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-106862.stderr
…
issue-110508.rs
Handle all PatExprs in dead code analysis
2025-01-29 15:45:13 +00:00
issue-115599.rs
Add additional context for non-sructural type constant used in pattern
2024-12-04 20:29:36 +00:00
issue-115599.stderr
fix: Add col separator before secondary messages with no source
2025-08-26 15:15:17 -06:00
issue-117626.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
missing_lifetime.rs
Use non-2015 edition paths in tests that do not test for their resolution
2025-06-03 13:35:31 +02:00
missing_lifetime.stderr
Avoid follow-up errors on erroneous patterns
2024-06-13 06:14:32 +00:00
mut_preserve_binding_mode_2021.rs
Gate implicit mutable by-reference bindings behind mut ref
2024-05-15 16:55:54 -04:00
mut_preserve_binding_mode_2021.stderr
Fix tests
2024-04-15 23:27:22 -04:00
mut_preserve_binding_mode_2024.rs
Stabilize the 2024 edition
2024-11-22 11:12:15 -08:00
mut-ref-mut-2021.rs
Feature gate
2024-03-27 11:20:28 -04:00
mut-ref-mut-2021.stderr
Better span for "make binding mutable" suggestion
2024-07-04 02:02:21 +00:00
no-match-tuple-variant-self-ctor.rs
Validate that we're only matching on unit struct for path pattern
2024-03-22 20:53:42 -04:00
no-match-tuple-variant-self-ctor.struct_.stderr
Validate that we're only matching on unit struct for path pattern
2024-03-22 20:53:42 -04:00
no-match-tuple-variant-self-ctor.tuple.stderr
Validate that we're only matching on unit struct for path pattern
2024-03-22 20:53:42 -04:00
no-patterns-in-args-2.rs
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
no-patterns-in-args-2.stderr
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
no-patterns-in-args.rs
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
no-patterns-in-args.stderr
Move 100 entries from tests/ui into subdirs
2024-05-20 19:55:59 -07:00
non-constant-in-const-path.rs
…
non-constant-in-const-path.stderr
Tweak output of some const pattern errors
2024-12-04 20:29:36 +00:00
non-structural-match-types-cycle-err.rs
borrowck typeck children together with their parent
2025-04-08 00:34:40 +02:00
non-structural-match-types-cycle-err.stderr
borrowck typeck children together with their parent
2025-04-08 00:34:40 +02:00
non-structural-match-types.rs
borrowck typeck children together with their parent
2025-04-08 00:34:40 +02:00
non-structural-match-types.stderr
borrowck typeck children together with their parent
2025-04-08 00:34:40 +02:00
normalize-ty-in-range.rs
Structurally resolve in check_ref_cast and calc_adjust_mode
2025-05-08 15:00:17 +00:00
overflowing-literals.rs
Uniformly handle HIR literals in visitors and lints
2025-02-05 11:28:24 +00:00
overflowing-literals.stderr
Uniformly handle HIR literals in visitors and lints
2025-02-05 11:28:24 +00:00
pat-shadow-in-nested-binding.rs
…
pat-shadow-in-nested-binding.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
pat-struct-field-expr-has-type.rs
…
pat-struct-field-expr-has-type.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
pat-tuple-bad-type.rs
…
pat-tuple-bad-type.stderr
…
pat-tuple-field-count-cross.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
pat-tuple-field-count-cross.stderr
Trim suggestion parts to the subset that is purely additive
2025-02-14 00:44:10 -08:00
pat-tuple-overfield.rs
…
pat-tuple-overfield.stderr
Trim suggestion parts to the subset that is purely additive
2025-02-14 00:44:10 -08:00
pat-tuple-underfield.rs
…
pat-tuple-underfield.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
pat-type-err-formal-param.rs
…
pat-type-err-formal-param.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
pat-type-err-let-stmt.rs
…
pat-type-err-let-stmt.stderr
…
patkind-litrange-no-expr.rs
Rename PatKind::Lit to Expr
2025-01-08 07:34:59 +00:00
patkind-litrange-no-expr.stderr
Add a note to duplicate diagnostics
2023-10-05 01:04:41 +00:00
patkind-ref-binding-issue-114896.fixed
UI tests: add missing diagnostic kinds where possible
2025-04-08 23:06:31 +03:00
patkind-ref-binding-issue-114896.rs
UI tests: add missing diagnostic kinds where possible
2025-04-08 23:06:31 +03:00
patkind-ref-binding-issue-114896.stderr
Trim suggestion parts to the subset that is purely additive
2025-02-14 00:44:10 -08:00
patkind-ref-binding-issue-122415.fixed
Fix incorrect mutable suggestion information for binding in ref pattern.
2024-03-19 12:28:23 +08:00
patkind-ref-binding-issue-122415.rs
Fix incorrect mutable suggestion information for binding in ref pattern.
2024-03-19 12:28:23 +08:00
patkind-ref-binding-issue-122415.stderr
Trim suggestion parts to the subset that is purely additive
2025-02-14 00:44:10 -08:00
pattern-bad-ref-box-order.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
pattern-bad-ref-box-order.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
pattern-bad-ref-box-order.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
pattern-binding-disambiguation.rs
Continue to borrowck even if there were previous errors
2024-02-08 08:10:43 +00:00
pattern-binding-disambiguation.stderr
Update tests for new TRPL chapter order
2024-11-23 08:57:25 -07:00
pattern-error-continue.rs
compiletest: Make diagnostic kind mandatory on line annotations
2025-04-30 10:44:24 +03:00
pattern-error-continue.stderr
compiletest: Make diagnostic kind mandatory on line annotations
2025-04-30 10:44:24 +03:00
pattern-ident-path-generics.rs
…
pattern-ident-path-generics.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
pattern-match-arc-move.rs
cleaned up some tests
2025-06-03 07:38:06 +05:00
pattern-match-invalid-variant.rs
cleaned up some tests
2025-06-03 07:38:06 +05:00
pattern-match-invalid-variant.stderr
cleaned up some tests
2025-06-03 07:38:06 +05:00
pattern-tyvar-2.rs
…
pattern-tyvar-2.stderr
Make diagnostics clearer for binop-related errors in foreign crates
2025-10-18 01:20:25 +00:00
pattern-tyvar.rs
…
pattern-tyvar.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
patterns-dont-match-nt-statement.rs
Don't make pattern nonterminals match statement nonterminals
2024-08-26 18:30:15 -04:00
premature-match-scrutinee-temporary-drop-10683.rs
comments
2025-07-25 20:38:54 +05:00
range-pattern-meant-to-be-slice-rest-pattern.rs
Stabilize exclusive_range
2024-05-02 19:42:31 -04:00
range-pattern-meant-to-be-slice-rest-pattern.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
refutable-pattern-for-loop-15381.rs
comments
2025-08-09 16:27:20 +05:00
refutable-pattern-for-loop-15381.stderr
comments
2025-08-09 16:27:20 +05:00
rest-pat-semantic-disallowed.rs
…
rest-pat-semantic-disallowed.stderr
…
rest-pat-syntactic.rs
Use cfg(false) in UI tests
2025-04-03 21:41:58 +00:00
rest-pat-syntactic.stderr
Bless tests
2024-01-13 12:46:58 -05:00
self-ctor-133272.rs
Re-delay a resolve bug
2024-11-21 18:40:36 +08:00
self-ctor-133272.stderr
Re-delay a resolve bug
2024-11-21 18:40:36 +08:00
size-and-align.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
skipped-ref-pats-issue-125058.rs
Stabilize the 2024 edition
2024-11-22 11:12:15 -08:00
skipped-ref-pats-issue-125058.stderr
bless tests with new lint messages
2025-08-19 21:27:10 +02:00
slice-array-infer.rs
stabilize gai
2025-06-11 15:30:15 +01:00
slice-pattern-recursion-15104.rs
comments
2025-08-09 16:27:20 +05:00
slice-pattern-refutable.rs
…
slice-pattern-refutable.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
slice-patterns-ambiguity.rs
…
slice-patterns-ambiguity.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
slice-patterns-irrefutable.rs
…
slice-patterns-irrefutable.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
slice-patterns-nested.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
static-binding-shadow-16149.rs
comments
2025-08-09 16:27:20 +05:00
static-binding-shadow-16149.stderr
comments
2025-08-09 16:27:20 +05:00
struct-field-duplicate-binding-15260.rs
comments
2025-08-09 16:27:20 +05:00
struct-field-duplicate-binding-15260.stderr
comments
2025-08-09 16:27:20 +05:00
struct-mismatch-destructure-14541.rs
comments
2025-08-05 19:34:46 +05:00
struct-mismatch-destructure-14541.stderr
comments
2025-08-05 19:34:46 +05:00
struct-parser-recovery-issue-126344.rs
report pat no field error no recoverd struct variant
2024-07-11 00:18:47 +08:00
struct-parser-recovery-issue-126344.stderr
report pat no field error no recoverd struct variant
2024-07-11 00:18:47 +08:00
struct-pattern-on-non-struct-resolve-error.rs
modify test to side-step platform-dependent stderr output
2025-01-08 00:13:43 +00:00
struct-pattern-on-non-struct-resolve-error.stderr
modify test to side-step platform-dependent stderr output
2025-01-08 00:13:43 +00:00
struct-pattern-with-missing-fields-resolve-error.rs
Add check for missing fields in enum variant pattern
2025-01-08 00:10:16 +00:00
struct-pattern-with-missing-fields-resolve-error.stderr
Add check for missing fields in enum variant pattern
2025-01-08 00:10:16 +00:00
struct-wildcard-pattern-14308.rs
comments
2025-08-05 19:34:46 +05:00
suggest-adding-appropriate-missing-pattern-excluding-comments.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
suggest-adding-appropriate-missing-pattern-excluding-comments.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
suggest-adding-appropriate-missing-pattern-excluding-comments.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
tuple-enum-match-15129.rs
comments
2025-08-09 16:27:20 +05:00
type_mismatch.rs
Avoid follow-up errors on erroneous patterns
2024-06-13 06:14:32 +00:00
type_mismatch.stderr
Avoid follow-up errors on erroneous patterns
2024-06-13 06:14:32 +00:00
uninit-trivial.rs
Do not optimize out SwitchInt before borrowck, or if Zmir-preserve-ub
2025-04-08 21:05:20 +00:00
uninit-trivial.stderr
Do not optimize out SwitchInt before borrowck, or if Zmir-preserve-ub
2025-04-08 21:05:20 +00:00
unit-pattern-matching-in-function-argument-7519.rs
Rehome tests/ui/issues/ tests [2/?]
2025-08-02 15:29:16 -04:00
unit-type-struct-pattern-mismatch-16401.rs
comments
2025-08-09 16:27:20 +05:00
unit-type-struct-pattern-mismatch-16401.stderr
comments
2025-08-09 16:27:20 +05:00
unit-variant-pattern-matching-29383.rs
Rehome tests/ui/issues/ tests [4/?]
2025-08-10 11:54:15 -04:00
unit-variant-pattern-matching-29383.stderr
Rehome tests/ui/issues/ tests [4/?]
2025-08-10 11:54:15 -04:00
unused-parameters-const-pattern.rs
Add test/comment about const patterns with unused params
2025-05-22 12:52:46 +01:00