When does "1..10" make sense?

I have a vague memory of a programming language where 1..10 meant "the range 1 inclusive to 10 exclusive", similar to python's range(1, 10), but I haven't the fog开发者_开发问答giest which, and this doesn't particularly lend itself to searches. Any help?

If the answer's "python", please forgive me. I know very little python.

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Pascal supports that syntax. You can actually use this as a type, and I believe it's also used in specifying array bounds. (I'm not sure how much of this is standard Pascal and how much is Turbo Pascal extensions.)

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Haskell does it.

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It is Perl, called the "Range Operator"

http://www.cs.cf.ac.uk/Dave/PERL/node38.html

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Groovy uses this syntax, too.

http://groovy.codehaus.org/Collections

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F#, they are called Sequence Expressions

http://msdn.microsoft.com/en-us/library/dd233209.aspx (select the F# examples to see the code)

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Ruby!

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Since the OP already got the answer they were looking for, and this has kind of become a list of languages that use 1..n syntax, I'll add one more.

Maple

The wiki page shows a good example

myfac := n -> product( i, i=1..n );

Note however that this is 1 to 10 inclusive

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Ruby has VERY similar syntax...

You can read more here: http://www.ruby-doc.org/core/classes/Range.html

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If it's a vague and distant memory, then I'd guess that Pascal or Delphi is the most likely candidate for the language you're thinking of.

It's most commonly used in Pascal in a case statement. See here for example syntax: http://en.wikipedia.org/wiki/Switch_statement#Pascal

It could also be any of a number of other languages that use this syntax, but without knowing a bit more about your programming history, my guess would still be Pascal / Delphi.