ErasedUnique.ixx File

Type-erased unique ownership wrapper. More...

Included Headers

#include <memory>

Namespaces Index

namespace	helios
namespace	engine
namespace	core
namespace	memory

Classes Index

struct	ErasedUnique
	Type-erased unique ownership wrapper. More...

Description

Type-erased unique ownership wrapper.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7#include <memory>

8

9export module helios.engine.core.memory.ErasedUnique;

10

11export namespace helios::engine::core::memory {

12

31 struct ErasedUnique {

32

36 void* ptr = nullptr;

37

41 void (*destroy)(void*) noexcept = nullptr;

42

46 ErasedUnique() = default;

47

57 template<class T>

58 explicit ErasedUnique(std::unique_ptr<T> p) noexcept

59 : ptr(p.release()),

60 destroy([](void* q) noexcept { delete static_cast<T*>(q); })

61 {}

62

68 ErasedUnique(ErasedUnique&& obj) noexcept : ptr(obj.ptr), destroy(obj.destroy) {

69 obj.ptr = nullptr;

70 obj.destroy = nullptr;

71 }

72

80 ErasedUnique& operator=(ErasedUnique&& obj) noexcept {

81 if (this != &obj) {

82 reset();

83 ptr = obj.ptr; destroy = obj.destroy;

84 obj.ptr = nullptr;

85 obj.destroy = nullptr;

86 }

87 return *this;

88 }

89

93 ~ErasedUnique() { reset(); }

94

98 void reset() noexcept {

99 if (ptr && destroy) {

100 destroy(ptr);

101 }

102 ptr = nullptr;

103 destroy = nullptr;

104 }

105 };

106

107

108}

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