你如何写在Ruby中的二进制文字 [英] How do you write a binary literal in ruby?

问题描述

大多数语言（包括红宝石）允许写入至少在三个基地一些文字：十进制，八和十六进制。在十进制的数字是平常的事情，并写（大多数）人自然写号，96写成 96 。由零pfixed数字$ P $是PTED为八进制通常跨$ P $为主：96将被写成 0140 。基于十六进制数字通常是美元的 0X pfixed p $ 96就可以写成 0x60的

Most languages (Ruby included) allow number literals to be written in at least three bases: decimal, octal and hexadecimal. Numbers in decimal base is the usual thing and are written as (most) people naturally write numbers, 96 is written as 96. Numbers prefixed by a zero are usually interpreted as octal based: 96 would be written as 0140. Hexadecimal based numbers are usually prefixed by 0x: 96 would be written as 0x60.

现在的问题是：我可以写号为Ruby的二进制文字？怎么样？

The question is: can I write numbers as binary literals in Ruby? How?

推荐答案

使用0B preFIX

use 0b prefix

>> 0b100
=> 4

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