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xo-expression2: DUniqueSring: fix copy during hypothetical GC

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Roland Conybeare 2026-01-16 20:47:54 -05:00
commit 33c4e2dc0a
2 changed files with 21 additions and 5 deletions
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8
include/xo/expression2/DUniqueString.hpp
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@ -59,6 +59,10 @@ namespace xo {
/** @defgroup duniquestring-methods methods **/
///@{
/** Available storage for this instance.
* For completeness' sake since uniquestring not modifiable
**/
size_type capacity() const noexcept { return _text()->capacity(); }
size_type size() const noexcept { return _text()->size(); }
const char * chars() const noexcept { return _text()->chars(); }
@ -74,6 +78,8 @@ namespace xo {
std::size_t hash() const noexcept { return _text()->hash(); }
operator std::string_view() const noexcept { return std::string_view(*_text()); }
/** not assignable **/
DUniqueString & operator=(const DUniqueString &) = delete;
///@}
/** @defgroup duniquestring-printable-methods printable facet methods **/
@ -105,7 +111,7 @@ namespace xo {
/** DString containing actual string content immediately follows DUniqueString
* in memory; part of same alloc
**/
const DString * _text() const noexcept;
DString * _text() const noexcept;
//explicit DUniqueString(const DString * text) : text_{text} {}