I have an array with allowed values and an array with given values.
我有一个允许值的数组和一个给定值的数组。
Howto merge two arrays with values from array2 that are in 1?
如何将两个数组与1中的array2中的值合并?
allowed_values => ["one", "two", "three"]
given_values => ["", "one", "five", "three", "seven"]
...
expected_values => ["one", "three"]
1 个解决方案
#1
4
You want the array intersection, and you can obtain it via the & operator:
你想要数组的交集，可以通过&算符获取:
Set Intersection—Returns a new array containing elements common to the two arrays, with no duplicates.
设置交叉——返回一个包含两个数组共同元素的新数组，没有重复。
[ 1, 1, 3, 5 ] & [ 1, 2, 3 ] #=> [ 1, 3 ]
#1
4
You want the array intersection, and you can obtain it via the & operator:
你想要数组的交集，可以通过&算符获取:
Set Intersection—Returns a new array containing elements common to the two arrays, with no duplicates.
设置交叉——返回一个包含两个数组共同元素的新数组，没有重复。
[ 1, 1, 3, 5 ] & [ 1, 2, 3 ] #=> [ 1, 3 ]