红宝石 | String each_codepoint 方法

each_codepoint是 Ruby 中的 String 类方法，用于传递给定字符串中每个字符的整数序号。当应用于给定块的 Unicode字符串时，它也称为代码点。如果没有给出块，则返回一个枚举器。

Syntax: str.each_codepoint

Parameters: Here, str is the given string.

Returns: A integer ordinal or a enumerator.

示例 1：

# Ruby program to demonstrate 
# the each_codepoint method 
       
# Taking a string and 
# using the method
puts "Sample\u0639".each_codepoint{|b| print b, ' ' }
puts "Input".each_codepoint{|b| print b, ' ' }

输出：

83 97 109 112 108 101 1593 Sample
73 110 112 117 116 Input

示例 2：

# Ruby program to demonstrate 
# the each_codepoint method 
       
# Taking a string and 
# using the method
puts "Ruby".each_codepoint{|b| print b, ' ' }
puts "String".each_codepoint{|b| print b, ' ' }

输出：

82 117 98 121 Ruby
83 116 114 105 110 103 String