Hello,
There are a couple of syntax features which I did not demonstrate but I'd like
to mention them here.
In this word:
: elt ( :array :integer -- :object ) swap nth ;
The inputs and outputs are unnamed. You can name them for documentation
purposes:
: elt ( a:array i:integer -- obj:object ) swap nth ;
But even if you don't name them, they'll have the names "array", "integer",
etc in the documentation. So in help articles you can refer to "the array"
or "the integer".
This raises the question of multiple signature elements with the same type:
: append ( :array :array -- :array ) ... ;
In the help, the names will be autogenerated: array-a, array-b, array-c. So in
help articles you can refer to "array-a", etc.
On the other hand, you can name a signature element without specifying a
class:
: suffix ( :sequence obj -- :sequence ) ... ;
When you don't specify a class, a class of 'object' is implied.
As is sadly typical, there will probably be many aesthetic complaints and no
technical suggestions. This syntax design is the best I've come across so
far. I'd love to be surprised by an even better design.
Ed
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