Ruby Array rassoc()用法及代码示例

Array＃rassoc()：rassoc()是一个Array类方法，它通过数组搜索元素。

用法： Array.rassoc()

参数： 
- Arrays for finding elements. 
- elements to detect

返回： Array after adding the elements at the end.

代码＃1：rassoc()方法示例

# Ruby code for rassoc() method 
   
# declaring array 
a = [18, 22, 33, 4, 5, 6] 
   
# declaring array 
b = [5, 4, 22, 1, 88, 9] 
   
# declaring array 
c = [18, 22, 33, 40, 50, 16] 
  
ar = [a, b, c] 
  
# searhing for an element 
puts "check:#{ar.rassoc(4)}\n\n"
  
puts "check:#{ar.rassoc(22)}\n\n"

输出：

check:[5, 4, 22, 1, 88, 9]

check:[18, 22, 33, 4, 5, 6]

代码2：rassoc()方法示例

# Ruby code for rassoc() method 
   
# declaring array 
a = ["abc", "xyz", "dog"] 
   
# declaring array 
b = ["cow", "cat", "dog"] 
   
# declaring array 
c = ["cat", "1", "dog"] 
  
ar = [a, b, c] 
  
  
# searhing for an element 
puts "check:#{ar.rassoc("xyz")}\n\n"
  
puts "check:#{ar.rassoc("1")}\n\n"

输出：

check:["abc", "xyz", "dog"]

check:["cat", "1", "dog"]

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注：本文由纯净天空筛选整理自mayank5326大神的英文原创作品 Ruby | Array rassoc() operation。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。