What is “_,” (underscore comma) in a Go declaration?

Question

And I can\'t seem to understand this kind of variable declaration:

_, prs := m[\"example\"]

What exactly is \"_,\" doing and w

Answer 1

The blank identifier may be used whenever syntax requires a variable name but program logic does not, for instance to discard an unwanted loop index when we require only the element value.

Excerpt From:

The Go Programming Language (Addison-Wesley Professional Computing Series)

Brian W. Kernighan

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