Ruby 数组reject！()函数

Array#reject!() : reject!()是一个Array类方法，它返回一个新的数组，其中包含没有被块返回的值。

语法。Array.reject!()

参数。数组

返回：一个新的数组，包含没有被块返回的值。

例子 #1 :

# Ruby code for reject!() method
  
# declaring array
a = [18, 22, 33, 3, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, 3, 3, 50, 6]
  
# reject!
puts "reject! method : #{a.reject! {|num| num > 10 }}\n\n"
  
# reject!
puts "reject! method : #{b.reject! {|x| x.odd? }}\n\n"

输出:

reject! method : [3, 5, 6]

reject! method : [4, 88]

例子 #2 :

# Ruby code for reject!() method
  
# declaring array
a = [18, 22, 33, 3, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, 3, 3, 53, 6]
  
# reject!
puts "reject! method : #{c.reject! {|num| num > 10 }}\n\n"
  
# reject!
puts "reject! method : #{c.reject! {|num| num.even? }}\n\n"

输出:

reject! method : [3, 3, 6]

reject! method : [3, 3]