## Buffer::readNumber
### 接口说明
>从缓冲区内读取一个8字节的浮点型
>
+++
put:readNumber
<<<
success
浮点型
+++
### 代码演示
~~~
var readBuffer = new Buffer;
var n = readBuffer.readNumber();
println(n);
~~~
- 引言
- 目录
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