Ruby Array any?()用法及代碼示例

any？()是一個Array類方法，該方法檢查模式的存在並將集合中的每個元素傳遞給給定的塊。

用法：Array.any?()

範例1：

# Ruby code for any?() method 
  
# checking pattern 
puts "pattern:#{%w[geeks or geeks].any? { |word| word.length <= 3 }}\n\n"
  
puts "pattern:#{%w[dot grow cat].any? { |word| word.length >= 4 }}\n\n"

輸出：

pattern:true

pattern:true

說明：

In above code two conditions are giving i.e.
- word_length should be equal or less than 3 and
- word_length should be equal or greater than 4
If the pattern follows it (as in the code), it results yes otherwise false

範例2：

# Ruby code for any?() method 
  
# checking pattern 
puts "pattern:#{%w[geeks or geeks].any?()}\n\n"
  
puts "pattern:#{[].any?}\n\n"

輸出：

pattern:true

pattern:false

說明：

In this code
part a) - true as it returns a pattern
part b) - false as it returns nil pattern