WriterExtensionWriteIsNullTWriter, T(TWriter, NullableT) 方法
写入可空值类型的空值标识。
命名空间： TouchSocket.Core程序集： TouchSocket.Core (在 TouchSocket.Core.dll 中) 版本：4.0.0-beta.143+5fcca7a4e70968794985dc3793adc50531308be6
public static void WriteIsNull<TWriter, T>(
ref TWriter writer,
T? t
)
where TWriter : IBytesWriter
where T : struct, new()
Public Shared Sub WriteIsNull(Of TWriter As IBytesWriter, T As {Structure, New}) (
ByRef writer As TWriter,
t As T?
)
static member WriteIsNull :
writer : 'TWriter byref *
t : Nullable<'T> -> unit when 'TWriter : IBytesWriter when 'T : struct, new()
- writer TWriter
- 字节写入器实例。
- t NullableT
- 要检查的可空值类型。
- TWriter
- 实现IBytesWriter接口的写入器类型。
- T
- 值类型。
如果值有值则写入非空值标识，否则写入空值标识。