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The Implicit Accumulator: a design pattern using optional arguments

Jon Harrop
- Quôc_Peyrot
  - Thomas Fischbacher
  - Jon Harrop
    - Thomas Fischbacher
    - Quôc_Peyrot
    - Mattias_Engdegård
      - Robert Fischer
        
        Mattias_Engdegård
        
        Robert Fischer
        
        Mattias_Engdegård
        
        Jon Harrop
        
        Brian Hurt
        
        skaller
        
        Jonathan Bryant
        
        Jon Harrop
    - Daniel_Bünzli
    - Pierre Etchemaïté

Date:	-- (:)
From:	Jon Harrop <jon@f...>
Subject:	Re: [Caml-list] The Implicit Accumulator: a design pattern using optional arguments

On Wednesday 27 June 2007 16:48:44 Mattias Engdegård wrote:
> The cost is a slightly clumsier use of symbols as strings (Symbol.str),
> but my feeling is that the extra safety is worth it.

That is exactly what I did. Also, you cannot pattern match over the Sym.t but 
I believe the OCaml compiler doesn't optimize pattern matches over strings 
anyway.

Incidentally, can we add this to the list of wanted optimizations: O(log n) 
matching of strings, arrays and polymorphic variants.

-- 
Dr Jon D Harrop, Flying Frog Consultancy Ltd.
The OCaml Journal
http://www.ffconsultancy.com/products/ocaml_journal/?e