c# and linq: want {1,1,2,3} == {1,2,3,1} returns true but {1,1,2,3} == {1,2,3} returns false
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Published on 2011-01-02T01:54:49Z
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I have two sets, both IEnumerables, and I want to compare them.
string[] names1 = { "tom", "dick", "harry" };
string[] names2 = { "tom", "dick", "harry", "harry"};
string[] names3 = { "tom", "dick", "harry", "sally" };
string[] names4 = { "dick", "harry", "tom" };
Want names1 == names4 to return true (and self == self returns true obviously)
But all other combos return false.
What is the most efficient way? These can be large sets of complex objects.
I looked at doing:
var a = name1.orderby<MyCustomType, string>(v => v.Name);
var b = name4.orderby<MyCustomType, string>(v => v.Name);
return a == b;
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