How to remove a specific tuple from a array of tuples in swift

Question

arrayOfTuples = [(4, 4, "id1"), (3, 6, "id2"), (3, 6, "id3")]

How to remove the item with the id2 string?

Answer 1

You can use RangeReplaceableCollection method removeAll(where:) and pass a predicate:

var arrayOfTuples = [(4, 4, "id1"), (3, 6, "id2"), (3, 6, "id3")]
arrayOfTuples.removeAll(where: {$2 == "id2"})
print(arrayOfTuples)  // [(4, 4, "id1"), (3, 6, "id3")]

If you would like to remove only the first occurrence where the third element of your tuple is equal to "id2" you can use Collection 's method firstIndex(where:) :

if let index = arrayOfTuples.firstIndex(where: {$2 == "id2"}) {
    arrayOfTuples.remove(at: index)
}