tmp/tmpe5zr9bkp/{from.md → to.md}
RENAMED
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@@ -4,32 +4,33 @@ A type mentioned in [[basic.fundamental]] and [[basic.compound]] is a
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*cv-unqualified type*. Each type which is a cv-unqualified complete or
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incomplete object type or is `void` ([[basic.types]]) has three
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corresponding cv-qualified versions of its type: a *const-qualified*
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version, a *volatile-qualified* version, and a
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*const-volatile-qualified* version. The term *object type* (
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[[intro.object]]) includes the cv-qualifiers specified
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object
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A compound type ([[basic.compound]]) is not cv-qualified by the
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cv-qualifiers (if any) of the types from which it is compounded. Any
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cv-qualifiers applied to an array type affect the array element type,
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not the array type ([[dcl.array]]).
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Each non-static, non-mutable, non-reference data member of a
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const-qualified class object is const-qualified, each non-static,
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non-reference data member of a volatile-qualified class object is
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volatile-qualified and similarly for members of a const-volatile class.
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See [[dcl.fct]] and [[class.this]] regarding function types that have
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*cv-qualifier*s.
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There is a partial ordering on cv-qualifiers, so that a type can be said
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to be *more cv-qualified* than another. Table
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@@ -51,9 +52,18 @@ In this International Standard, the notation *cv* (or *cv1*, *cv2*,
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etc.), used in the description of types, represents an arbitrary set of
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cv-qualifiers, i.e., one of {`const`}, {`volatile`}, {`const`,
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`volatile`}, or the empty set. Cv-qualifiers applied to an array type
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attach to the underlying element type, so the notation “*cv* `T`,” where
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`T` is an array type, refers to an array whose elements are
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so-qualified.
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*cv-unqualified type*. Each type which is a cv-unqualified complete or
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incomplete object type or is `void` ([[basic.types]]) has three
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corresponding cv-qualified versions of its type: a *const-qualified*
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version, a *volatile-qualified* version, and a
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*const-volatile-qualified* version. The term *object type* (
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[[intro.object]]) includes the cv-qualifiers specified in the
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*decl-specifier-seq* ([[dcl.spec]]), *declarator* (Clause
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[[dcl.decl]]), *type-id* ([[dcl.name]]), or *new-type-id* (
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[[expr.new]]) when the object is created.
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- A *const object* is an object of type `const T` or a non-mutable
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subobject of such an object.
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- A *volatile object* is an object of type `volatile T`, a subobject of
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such an object, or a mutable subobject of a const volatile object.
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- A *const volatile object* is an object of type `const volatile T`, a
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non-mutable subobject of such an object, a const subobject of a
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volatile object, or a non-mutable volatile subobject of a const
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object.
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The cv-qualified or cv-unqualified versions of a type are distinct
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types; however, they shall have the same representation and alignment
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requirements ([[basic.align]]).[^29]
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A compound type ([[basic.compound]]) is not cv-qualified by the
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cv-qualifiers (if any) of the types from which it is compounded. Any
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cv-qualifiers applied to an array type affect the array element type,
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not the array type ([[dcl.array]]).
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See [[dcl.fct]] and [[class.this]] regarding function types that have
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*cv-qualifier*s.
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There is a partial ordering on cv-qualifiers, so that a type can be said
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to be *more cv-qualified* than another. Table
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etc.), used in the description of types, represents an arbitrary set of
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cv-qualifiers, i.e., one of {`const`}, {`volatile`}, {`const`,
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`volatile`}, or the empty set. Cv-qualifiers applied to an array type
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attach to the underlying element type, so the notation “*cv* `T`,” where
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`T` is an array type, refers to an array whose elements are
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so-qualified. An array type whose elements are cv-qualified is also
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considered to have the same cv-qualifications as its elements.
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``` cpp
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typedef char CA[5];
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typedef const char CC;
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CC arr1[5] = { 0 };
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const CA arr2 = { 0 };
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```
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The type of both `arr1` and `arr2` is “array of 5 `const char`,” and the
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array type is considered to be `const`-qualified.
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