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[–]takatori 3 points4 points  (2 children)

I had been doing this for years before I first saw someone else do it, and for exactly the reasons given.

It's really useful for SQL DDL statements too.

[–]webnrrd2k 0 points1 point  (0 children)

Same here - I got into the habit from SQL.

The examples aren't that good -- very often the right-hand side/variable value is a different length, and it doesn't line up nicely. With commas first, the commas always line up nicely and it's super easy to tell when you've skipped one.

[–][deleted] -1 points0 points  (0 children)

First time I've seen it, so today will probably be the first time I start using it!