Ruby 数组reject()函数
Array#reject() : reject() 是一个数组类的方法,它返回新的数组,其中包含给定块不为真的数组中的项目。
语法。Array.reject()
参数。数组
返回:新的数组,其中包含自我中的项目,给定的块不为真。
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, 53]