std::nothrow_t

 

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operator newoperator new[]

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get_new_handler (C++11)

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bad_alloc

bad_array_new_length (C++11)

nothrow_t

align_val_t (C++17)

destroying_delete_t (C++20)

类型

new_handler

对象

nothrow

 

定义于头文件 <new>
struct nothrow_t {};		(C++17 前)
struct nothrow_t { explicit nothrow_t() = default; };		(C++17 起)

std::nothrow_t 是用于消歧义抛出与不抛出分配函数重载的空类类型。

参阅

nothrow	用于选择不抛出分配函数的 nothrow_t 类型对象 (常量)
operator newoperator new[]	分配函数 (函数)