Nimrod programming language

MRAB google at
Thu May 14 10:36:43 EDT 2009

bearophileHUGS at wrote:
> rump... at
>> Eventually the "rope" data structure (that the compiler uses heavily)
>> will become a proper part of the library:
> Ropes are a complex data structure, that it has some downsides too.
> Python tries to keep its implementation too simple, this avoids lot of
> troubles (and is one of the not much visible design ideas that have
> determined the success of Python).
> --------
> I've seen that in Nimrod the following names are the same one:
> justaname JustAName just_a_name just__aname Justaname
> So like Pascal (and unlike Python/C) it doesn't tell apart names just
> on the base of their case (this is positive for newbie programmers,
> they usually use the convention of natural written language where
> 'Hello' and 'hello' are the same word, they need some time to learn
> the case-sensitivity).
> Nimrod also seems to ignore underscores inside names, seeing them as
> blanks. Some languages ignore underscores inside number literals, but
> I have never seen a language ignoring them into names too.
> In a class if you have a method like:
> change_table_color
> Isn't much good to also have a method named:
> changeTableColor
> Good programming practice tells you to avoid names that can be
> confused (as 'chop' and 'chomp' in the string functions of D Phobos
> lib). To avoid that most languages adopt a convention, so for example
> in Python the change_table_color is the only used name, Java uses
> changeTableColor, etc. Such conventions solve most of such problems.
> So I don't know how much I like this design detail of Nimrod.
> In Python you often see code like:
> node = Node()
> Sometimes in a case-sensitive language I'd like to have a compilation
> warning switch that tells me that in a namespace there are two or more
> names that differ only on character case or underscore count. This may
> help avoid some bugs. A language may even enforce this as a syntax
> error, so you have to write things like:
> n = Node()
> Or:
> anode = Node()
Does Nimrod accept non-ASCII names? If so, is "I" the same character as
"i"? In most languages using the Latin alphabet they would be, but in 
Turkish they wouldn't.

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