Kinetic Code Camp - Bring your skills, or lack thereof.. :dumpster_fire:

[jtownsend (John Townsend)]

@JasonMcD

There’s a scope thing going on here (bet you didn’t know I knew that word).
a. What’s funny is that several of you point out that lambdas can see outer objects (I see this is a trade phrase), implying that normal is that inner objects cannot see outer objects? Is that right?

I don’t believe you can access items outside your scope. In the following case:

ds.table.Where(x => x.field1 == value).Sum(y => y.field2)

“y” cannot be any row (not really a row, but whatever) that was already excluded in the Where call.

SIdenote: I didn’t have to use “y” in the second lambda. I could have used “x” in both, since the x variable is contained within the scope of the call. However, I always switch up the names because x & y represent two different things. YMMV.

@JasonMcD

I am trying to figure out how to contribute here while not being too much of “that guy.”

Every good fantasy or scifi story has one character that’s a proxy for the audience, who doesn’t know the backstory and has to be there so everyone can slow down and explain things in plain English.

Those characters are vital and so are you.