"_" is when you must assign a value, but don't want to use it. range in the for ... | Hacker News

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ominous_prime on May 30, 2013 | parent | context | favorite | on: Google’s Go has some coders raving

"_" is when you must assign a value, but don't want to use it.

range in the for loop return 2 values (index, value). If you don't want the index, you can assign it to "_" to ignore it.

http://golang.org/ref/spec#Blank_identifier

swalsh on May 30, 2013 [–]

oh! that's pretty cool.

steveklabnik on May 30, 2013 | [–]

Check your favorite language, it probably has this feature. Ruby, Haskell, tons of them.

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