[Version 13.0] Feature support for Partial properties and indexers

standard/README.md

@@ -237,8 +237,6 @@
     - [§10.2.19](conversions.md#10219-implicit-object-creation-conversions)  Implicit object-creation conversions
     - [§10.2.20](conversions.md#10220-implicit-conditional-expression-conversions)  Implicit conditional expression conversions
     - [§10.2.21](conversions.md#10221-anonymous-function-type-conversion)  Anonymous function type conversion
-    - [§10.2.22](conversions.md#10222-implicit-collection-expression-conversions)  Implicit collection expression conversions
-    - [§10.2.23](conversions.md#10223-implicit-inline-array-conversions)  Implicit inline array conversions
   - [§10.3](conversions.md#103-explicit-conversions)  Explicit conversions
     - [§10.3.1](conversions.md#1031-general)  General
     - [§10.3.2](conversions.md#1032-explicit-numeric-conversions)  Explicit numeric conversions
@@ -369,9 +367,8 @@
     - [§12.8.12](expressions.md#12812-element-access)  Element access
       - [§12.8.12.1](expressions.md#128121-general)  General
       - [§12.8.12.2](expressions.md#128122-array-access)  Array access
-      - [§12.8.12.3](expressions.md#128123-inline-array-element-access)  Inline array element access
-      - [§12.8.12.4](expressions.md#128124-string-access)  String access
-      - [§12.8.12.5](expressions.md#128125-indexer-access)  Indexer access
+      - [§12.8.12.3](expressions.md#128123-string-access)  String access
+      - [§12.8.12.4](expressions.md#128124-indexer-access)  Indexer access
     - [§12.8.13](expressions.md#12813-null-conditional-element-access)  Null Conditional Element Access
     - [§12.8.14](expressions.md#12814-this-access)  This access
     - [§12.8.15](expressions.md#12815-base-access)  Base access
@@ -392,7 +389,6 @@
     - [§12.8.22](expressions.md#12822-stack-allocation)  Stack allocation
     - [§12.8.23](expressions.md#12823-the-nameof-operator)  The nameof operator
     - [§12.8.24](expressions.md#12824-anonymous-method-expressions)  Anonymous method expressions
-    - [§12.8.25](expressions.md#12825-collection-expressions)  Collection expressions
   - [§12.9](expressions.md#129-unary-operators)  Unary operators
     - [§12.9.1](expressions.md#1291-general)  General
     - [§12.9.2](expressions.md#1292-unary-plus-operator)  Unary plus operator
@@ -662,7 +658,6 @@
     - [§15.11.3](classes.md#15113-instance-variable-initializers)  Instance variable initializers
     - [§15.11.4](classes.md#15114-constructor-execution)  Constructor execution
     - [§15.11.5](classes.md#15115-default-constructors)  Default constructors
-    - [§15.11.6](classes.md#15116-primary-constructors)  Primary constructors
   - [§15.12](classes.md#1512-static-constructors)  Static constructors
   - [§15.13](classes.md#1513-finalizers)  Finalizers
   - [§15.14](classes.md#1514-async-functions)  Async Functions
@@ -685,23 +680,22 @@
       - [§15.15.6.2](classes.md#151562-the-getenumerator-or-getasyncenumerator-method)  The GetEnumerator or GetAsyncEnumerator method
   - [§15.16](classes.md#1516-record-classes)  Record classes
     - [§15.16.1](classes.md#15161-general)  General
-    - [§15.16.2](classes.md#15162-class-members)  Class members
-    - [§15.16.3](classes.md#15163-instance-constructors)  Instance constructors
-    - [§15.16.4](classes.md#15164-implicit-record-class-members)  Implicit record class members
-      - [§15.16.4.1](classes.md#151641-general)  General
-      - [§15.16.4.2](classes.md#151642-copy-constructors)  Copy constructors
-      - [§15.16.4.3](classes.md#151643-equality-members)  Equality members
-      - [§15.16.4.4](classes.md#151644-copy-and-clone-members)  Copy and clone members
-      - [§15.16.4.5](classes.md#151645-printing-members)  Printing members
-      - [§15.16.4.6](classes.md#151646-positional-record-class-members)  Positional record class members
-        - [§15.16.4.6.1](classes.md#1516461-general)  General
-        - [§15.16.4.6.2](classes.md#1516462-primary-constructor)  Primary constructor
-        - [§15.16.4.6.3](classes.md#1516463-properties)  Properties
-        - [§15.16.4.6.4](classes.md#1516464-deconstruct)  Deconstruct
-  - [§15.17](classes.md#1517-declaring-a-collection-type)  Declaring a collection type
-    - [§15.17.1](classes.md#15171-general)  General
-    - [§15.17.2](classes.md#15172-collection-construction)  Collection construction
-  - [§15.18](classes.md#1518-record-class-and-non-record-class-differences)  Record class and non-record class differences
+    - [§15.16.2](classes.md#15162-class-base-specification)  Class base specification
+    - [§15.16.3](classes.md#15163-record-class-body)  Record class body
+    - [§15.16.4](classes.md#15164-class-members)  Class members
+    - [§15.16.5](classes.md#15165-instance-constructors)  Instance constructors
+    - [§15.16.6](classes.md#15166-implicit-record-class-members)  Implicit record class members
+      - [§15.16.6.1](classes.md#151661-general)  General
+      - [§15.16.6.2](classes.md#151662-copy-constructors)  Copy constructors
+      - [§15.16.6.3](classes.md#151663-equality-members)  Equality members
+      - [§15.16.6.4](classes.md#151664-copy-and-clone-members)  Copy and clone members
+      - [§15.16.6.5](classes.md#151665-printing-members)  Printing members
+      - [§15.16.6.6](classes.md#151666-positional-record-class-members)  Positional record class members
+        - [§15.16.6.6.1](classes.md#1516661-general)  General
+        - [§15.16.6.6.2](classes.md#1516662-primary-constructor)  Primary constructor
+        - [§15.16.6.6.3](classes.md#1516663-properties)  Properties
+        - [§15.16.6.6.4](classes.md#1516664-deconstruct)  Deconstruct
+  - [§15.17](classes.md#1517-record-class-and-non-record-class-differences)  Record class and non-record class differences
 - [§16](structs.md#16-structs)  Structs
   - [§16.1](structs.md#161-general)  General
   - [§16.2](structs.md#162-struct-declarations)  Struct declarations
@@ -714,51 +708,50 @@
   - [§16.3](structs.md#163-struct-members)  Struct members
     - [§16.3.1](structs.md#1631-general)  General
     - [§16.3.2](structs.md#1632-readonly-members)  Readonly members
-  - [§16.4](structs.md#164-primary-constructors)  Primary constructors
-  - [§16.5](structs.md#165-record-structs)  Record structs
-    - [§16.5.1](structs.md#1651-general)  General
-    - [§16.5.2](structs.md#1652-struct-members)  Struct members
-    - [§16.5.3](structs.md#1653-implicit-record-struct-members)  Implicit record struct members
-      - [§16.5.3.1](structs.md#16531-general)  General
-      - [§16.5.3.2](structs.md#16532-primary-constructors)  Primary constructors
-      - [§16.5.3.3](structs.md#16533-equality-members)  Equality members
-      - [§16.5.3.4](structs.md#16534-printing-members)  Printing members
-      - [§16.5.3.5](structs.md#16535-positional-record-struct-members)  Positional record struct members
-        - [§16.5.3.5.1](structs.md#165351-general)  General
-        - [§16.5.3.5.2](structs.md#165352-primary-constructor)  Primary constructor
-        - [§16.5.3.5.3](structs.md#165353-properties)  Properties
-        - [§16.5.3.5.4](structs.md#165354-deconstruct)  Deconstruct
-  - [§16.6](structs.md#166-inline-arrays)  Inline arrays
-  - [§16.7](structs.md#167-record-struct-and-non-record-struct-differences)  Record struct and non-record struct differences
-  - [§16.8](structs.md#168-class-and-struct-differences)  Class and struct differences
-    - [§16.8.1](structs.md#1681-general)  General
-    - [§16.8.2](structs.md#1682-value-semantics)  Value semantics
-    - [§16.8.3](structs.md#1683-inheritance)  Inheritance
-    - [§16.8.4](structs.md#1684-assignment)  Assignment
-    - [§16.8.5](structs.md#1685-default-values)  Default values
-    - [§16.8.6](structs.md#1686-boxing-and-unboxing)  Boxing and unboxing
-    - [§16.8.7](structs.md#1687-meaning-of-this)  Meaning of this
-    - [§16.8.8](structs.md#1688-fields)  Fields
-      - [§16.8.8.1](structs.md#16881-field-initializers)  Field initializers
-      - [§16.8.8.2](structs.md#16882-ref-fields)  Ref fields
-    - [§16.8.9](structs.md#1689-constructors)  Constructors
-    - [§16.8.10](structs.md#16810-static-constructors)  Static constructors
-    - [§16.8.11](structs.md#16811-properties)  Properties
-    - [§16.8.12](structs.md#16812-methods)  Methods
-    - [§16.8.13](structs.md#16813-indexers)  Indexers
-    - [§16.8.14](structs.md#16814-events)  Events
-    - [§16.8.15](structs.md#16815-safe-context-constraint)  Safe context constraint
-      - [§16.8.15.1](structs.md#168151-general)  General
-      - [§16.8.15.2](structs.md#168152-parameter-safe-context)  Parameter safe context
-      - [§16.8.15.3](structs.md#168153-local-variable-safe-context)  Local variable safe context
-      - [§16.8.15.4](structs.md#168154-field-safe-context)  Field safe context
-      - [§16.8.15.5](structs.md#168155-operators)  Operators
-      - [§16.8.15.6](structs.md#168156-method-and-property-invocation)  Method and property invocation
-      - [§16.8.15.7](structs.md#168157-method-arguments-must-match)  Method arguments must match
-      - [§16.8.15.8](structs.md#168158-infer-safe-context-of-declaration-expressions)  Infer safe-context of declaration expressions
-      - [§16.8.15.9](structs.md#168159-object-initializer-safe-context)  Object initializer safe context
-      - [§16.8.15.10](structs.md#1681510-stackalloc)  stackalloc
-      - [§16.8.15.11](structs.md#1681511-constructor-invocations)  Constructor invocations
+  - [§16.4](structs.md#164-record-structs)  Record structs
+    - [§16.4.1](structs.md#1641-general)  General
+    - [§16.4.2](structs.md#1642-struct-members)  Struct members
+    - [§16.4.3](structs.md#1643-record-struct-body)  Record struct body
+    - [§16.4.4](structs.md#1644-implicit-record-struct-members)  Implicit record struct members
+      - [§16.4.4.1](structs.md#16441-general)  General
+      - [§16.4.4.2](structs.md#16442-primary-constructors)  Primary constructors
+      - [§16.4.4.3](structs.md#16443-equality-members)  Equality members
+      - [§16.4.4.4](structs.md#16444-printing-members)  Printing members
+      - [§16.4.4.5](structs.md#16445-positional-record-struct-members)  Positional record struct members
+        - [§16.4.4.5.1](structs.md#164451-general)  General
+        - [§16.4.4.5.2](structs.md#164452-primary-constructor)  Primary constructor
+        - [§16.4.4.5.3](structs.md#164453-properties)  Properties
+        - [§16.4.4.5.4](structs.md#164454-deconstruct)  Deconstruct
+  - [§16.5](structs.md#165-record-struct-and-non-record-struct-differences)  Record struct and non-record struct differences
+  - [§16.6](structs.md#166-class-and-struct-differences)  Class and struct differences
+    - [§16.6.1](structs.md#1661-general)  General
+    - [§16.6.2](structs.md#1662-value-semantics)  Value semantics
+    - [§16.6.3](structs.md#1663-inheritance)  Inheritance
+    - [§16.6.4](structs.md#1664-assignment)  Assignment
+    - [§16.6.5](structs.md#1665-default-values)  Default values
+    - [§16.6.6](structs.md#1666-boxing-and-unboxing)  Boxing and unboxing
+    - [§16.6.7](structs.md#1667-meaning-of-this)  Meaning of this
+    - [§16.6.8](structs.md#1668-fields)  Fields
+      - [§16.6.8.1](structs.md#16681-field-initializers)  Field initializers
+      - [§16.6.8.2](structs.md#16682-ref-fields)  Ref fields
+    - [§16.6.9](structs.md#1669-constructors)  Constructors
+    - [§16.6.10](structs.md#16610-static-constructors)  Static constructors
+    - [§16.6.11](structs.md#16611-properties)  Properties
+    - [§16.6.12](structs.md#16612-methods)  Methods
+    - [§16.6.13](structs.md#16613-indexers)  Indexers
+    - [§16.6.14](structs.md#16614-events)  Events
+    - [§16.6.15](structs.md#16615-safe-context-constraint)  Safe context constraint
+      - [§16.6.15.1](structs.md#166151-general)  General
+      - [§16.6.15.2](structs.md#166152-parameter-safe-context)  Parameter safe context
+      - [§16.6.15.3](structs.md#166153-local-variable-safe-context)  Local variable safe context
+      - [§16.6.15.4](structs.md#166154-field-safe-context)  Field safe context
+      - [§16.6.15.5](structs.md#166155-operators)  Operators
+      - [§16.6.15.6](structs.md#166156-method-and-property-invocation)  Method and property invocation
+      - [§16.6.15.7](structs.md#166157-method-arguments-must-match)  Method arguments must match
+      - [§16.6.15.8](structs.md#166158-infer-safe-context-of-declaration-expressions)  Infer safe-context of declaration expressions
+      - [§16.6.15.9](structs.md#166159-object-initializer-safe-context)  Object initializer safe context
+      - [§16.6.15.10](structs.md#1661510-stackalloc)  stackalloc
+      - [§16.6.15.11](structs.md#1661511-constructor-invocations)  Constructor invocations
 - [§17](arrays.md#17-arrays)  Arrays
   - [§17.1](arrays.md#171-general)  General
   - [§17.2](arrays.md#172-array-types)  Array types
@@ -883,8 +876,6 @@
     - [§23.5.12](attributes.md#23512-required-member-attributes)  Required member attributes
       - [§23.5.12.1](attributes.md#235121-the-setsrequiredmembers-attribute)  The SetsRequiredMembers attribute
       - [§23.5.12.2](attributes.md#235122-the-requiredmember-attribute)  The RequiredMember attribute
-    - [§23.5.13](attributes.md#23513-the-collectionbuilder-attribute)  The CollectionBuilder attribute
-    - [§23.5.14](attributes.md#23514-the-inlinearray-attribute)  The InlineArray attribute
   - [§23.6](attributes.md#236-attributes-for-interoperation)  Attributes for interoperation
 - [§24](unsafe-code.md#24-unsafe-code)  Unsafe code
   - [§24.1](unsafe-code.md#241-general)  General

standard/arrays.md

@@ -314,5 +314,5 @@ When an array creation expression includes both explicit dimension lengths and a
 
 A warning shall be produced for a *variable_initializer* when all the following conditions are true:
 
-- The variable initializer represents an implicit or explicit identity conversion of a primary constructor parameter ([§15.11.6](classes.md#15116-primary-constructors));
+- The variable initializer represents an implicit or explicit identity conversion of a primary constructor parameter (§prim-constructor);
 - The primary constructor parameter is captured into the state of the enclosing type.

standard/attributes.md

@@ -512,8 +512,8 @@ A number of attributes affect the language in some way. These attributes include
 - `System.Runtime.CompilerServices.InterpolatedStringHandlerAttribute` and `System.Runtime.CompilerServices.InterpolatedStringHandlerArgumentAttribute`, which are used to declare a custom interpolated string expression handler ([§23.5.11.1](attributes.md#235111-custom-interpolated-string-expression-handlers)) and to call one of its constructors, respectively.
 - `System.Diagnostics.CodeAnalysis.UnscopedRefAttribute` ([§23.5.8](attributes.md#2358-the-unscopedref-attribute)), which allows an otherwise implicitly scoped ref to be treated as not being scoped.
 - `System.Diagnostics.CodeAnalysis.SetsRequiredMembersAttribute` ([§23.5.12.1](attributes.md#235121-the-setsrequiredmembers-attribute)) and `System.Runtime.CompilerServices.RequiredMemberAttribute` ([§23.5.12.2](attributes.md#235122-the-requiredmember-attribute)), which are used in required-member contexts ([§15.7.1](classes.md#1571-general)).
-- `System.Runtime.CompilerServices.CollectionBuilderAttribute` ([§23.5.13](attributes.md#23513-the-collectionbuilder-attribute)), which designates a collection type as having a collection-creation method.
-- `System.Runtime.CompilerServices.InlineArrayAttribute` ([§23.5.14](attributes.md#23514-the-inlinearray-attribute)), which marks a struct type as an inline array type ([§16.6](structs.md#166-inline-arrays)).
+- `System.Runtime.CompilerServices.CollectionBuilderAttribute` (§collection-builder-attr), which designates a collection type as having a collection-creation method.
+- `System.Runtime.CompilerServices.InlineArrayAttribute` (§InlineArrayAttribute), which marks a struct type as an inline array type (§InlineArray).
 
 The Nullable static analysis attributes ([§23.5.7](attributes.md#2357-code-analysis-attributes)) can improve the correctness of warnings generated for nullabilities and null states ([§8.9.5](types.md#895-nullabilities-and-null-states)).
 
@@ -806,7 +806,7 @@ When an optional parameter is annotated with one of the caller-info attributes,
 
 Caller-info attributes can occur on optional parameters anywhere, including in delegate declarations. However, the specific caller-info attributes have restrictions on the types of the parameters they can attribute, so that there will always be an implicit conversion from a substituted value to the parameter type.
 
-It is an error to have the same caller-info attribute on a parameter of both the defining and implementing part of a partial method declaration. Only caller-info attributes in the defining part are applied, whereas caller-info attributes occurring only in the implementing part are ignored.
+It is an error to have the same caller-info attribute on a parameter of both the defining and implementing part of a partial method or partial indexer declaration. Only caller-info attributes in the defining part are applied, whereas caller-info attributes occurring only in the implementing part are ignored.
 
 Caller information does not affect overload resolution. As the attributed optional parameters are still omitted from the source code of the caller, overload resolution ignores those parameters in the same way it ignores other omitted optional parameters ([§12.6.4](expressions.md#1264-overload-resolution)).
 
@@ -1579,19 +1579,19 @@ This attribute indicates that the constructor it decorates sets all required mem
 
 This attribute indicates that the current type has one or more required members ([§15.7.1](classes.md#1571-general)), or that a specific member of that type is required. However, it is an error for this attribute to be used explicitly. Instead, the presence of the modifier `required` results in the type or member being treated as if it were decorated with this attribute.
 
-### 23.5.13 The CollectionBuilder attribute
+### §collection-builder-attr The CollectionBuilder attribute
 
-This attribute designates a collection type as having a collection-creation method ([§15.17.1](classes.md#15171-general)).
+This attribute designates a collection type as having a collection-creation method (§declaring-a-collection-type-general).
 
 The constructor takes a builder type and the name of the method to be invoked to construct an instance of the collection type.
 
 The attribute can be applied to a class, struct, ref struct, or interface. The attribute is not inherited although it can be applied to a base class or an abstract class.
 
 The builder type shall be a non-generic class or struct.
 
-### 23.5.14 The InlineArray attribute
+### §InlineArrayAttribute The InlineArray attribute
 
-This attribute is used to identify a non-record struct as an inline array type. For further information and examples of its use, see [§16.6](structs.md#166-inline-arrays).
+This attribute is used to identify a non-record struct as an inline array type. For further information and examples of its use, see §InlineArray.
 
 ## 23.6 Attributes for interoperation
 

standard/basic-concepts.md

@@ -123,7 +123,7 @@ The application startup and termination process is semantically equivalent to th
   - Awaiting ([§12.9.9](expressions.md#1299-await-expressions)) the result of invoking the entry-point method, if its return type is a `Task` type.
   - In either case if the entry point requires an argument the application parameter array is supplied as its value.
 
-> *Note*: Invoking the entry-point method will cause the static constructor, if any, of the enclosing type to be executed first ([§15.12](classes.md#1512-static-constructors), [§16.8.10](structs.md#16810-static-constructors)). *end note*
+> *Note*: Invoking the entry-point method will cause the static constructor, if any, of the enclosing type to be executed first ([§15.12](classes.md#1512-static-constructors), [§16.6.10](structs.md#16610-static-constructors)). *end note*
 
 - The application is terminated
   - If the run results in an `int` value it serves as the termination status code;