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C# Querying With LINQ Query Operators Set Operations

Aaron Selonke
Aaron Selonke
10,323 Points
Posted by Aaron Selonke
Aaron Selonke
10,323 Points

Union() & Distinct()

Noticed that colors.Union(birds.Select(i => i.Color) produces the sequence of colors without the redundant color "blue" WITHOUT the Distinct() method...

1 Answer

Steven Parker
Steven Parker
229,732 Points
Steven Parker
Steven Parker
229,732 Points

You're right, you don't need Distinct when you use Union. It doesn't hurt, but it doesn't need to be there.

Gavin Ralston
Gavin Ralston
28,770 Points
Gavin Ralston
Gavin Ralston
28,770 Points

Yeah, that seems to be like, exactly how I'd expect a union to work. :)