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std::optional<bool>

文档版本：r/21_u4
协议版本：748

std::optional<bool>类型。该类型用于protocol.type.std::optional<bool>.description

结构

digraph "std::optional<bool>" {
rankdir = LR
29
29 -> 30
30 -> 31

29 [label="std::optional<bool>",comment="name: \"std::optional<bool>\", typeName: \"\", id: 29, branchId: 0, recurseId: -1, attributes: 0, notes: \"\""];
30 [label="Has Value",comment="name: \"Has Value\", typeName: \"\", id: 30, branchId: 0, recurseId: -1, attributes: 0, notes: \"If true, follow with appropriate data type, otherwise nothing\""];
31 [label="bool",comment="name: \"bool\", typeName: \"\", id: 31, branchId: 0, recurseId: -1, attributes: 512, notes: \"\""];
{ rank = max;31}

}

字段

std::optional<bool>
[has_value]
Has Value：bool
基本类型。protocol.type.std::optional<bool>.has_value.descriptionIf true, follow with appropriate data type, otherwise nothing