ATS2TUTORIAL: boxed tuples and records

[gmhwxi]

I added a chapter in the ATS2TUTORIAL book:

http://ats-lang.sourceforge.net/DOCUMENT/ATS2TUTORIAL/HTML/HTMLTOC/book1.html

It about forming boxed tuples and records with read-only fields as well as fields that may be
updated.

Cheers!

--Hongwei

[gmhwxi]

It is currently Chapter 15.

[Yannick Duchêne]

Out of topic, still related to tuple and records, this thread reminds me something I wanted to try. Just checked it's OK:

One can do …

extern fn f(a:int, b:int): int
val a = f(0, 1)

… which does not allow to name parameters.

A common SML idiom works with ATS too:

extern fn g(@{a=int, b=int}): int
val b = g@{a=0, b=1}

… which gives named parameters.

(don't know it it impacts the generated code a lot or not)

[Barry Schwartz]

'Yannick Duchêne' via ats-lang-users <ats-lan...@googlegroups.com> skribis:

> Out of topic, still related to tuple and records, this thread reminds me
> something I wanted to try. Just checked it's OK:
>
> One can do …
> extern fn f(a:int, b:int): int
> val a = f(0, 1)
> … which does not allow to name parameters.
>
> A common SML idiom works with ATS too:
> extern fn g(@{a=int, b=int}): int
> val b = g@{a=0, b=1}
> … which gives named parameters.
>
> (don't know it it impacts the generated code a lot or not)

That’s a really good idea IMO, as long as one is happy to have
parameters passed as structs by value.

[Mike Jones]

Could you gen a pdf? I'd like to take a copy to read on a flight.

Thx,

Mike

[Yannick Duchêne]

Just a quick answer: some browsers have a “print to PDF”  feature, if I'm not wrong (at least, Opera does).

[Mike jones]

I'm not sure how to do that on an iPad. Typically I pull PDFs into Good Reader from the web and then read when I'm traveling. They also markup well in Good Reader. I suppose I could make a PDF on a laptop and find a way to transfer it to my iPad. I. Guess I'm biased toward PDFs and mobile devices because I'm often moving around.

Sent from my iPad

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