edits

[lambda.git] / rosetta1.mdwn

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@@ -1,5 +1,7 @@
 [[!toc levels=2]]
 
+More details are also available on these [[two|/rosetta2]] [[pages|/rosetta3]]. (But some information is only discussed below; the others aren't supersets of this page.)
+
 ## Can you summarize the differences between your made-up language and Scheme, OCaml, and Haskell? ##
 
 The made-up language we wet our toes in in week 1 is called Kapulet. (I'll tell you [the story behind its name](/images/randj.jpg) sometime.) The purpose of starting with this language is that it represents something of a center of gravity between Scheme, OCaml, and Haskell, and also lacks many of their idiosyncratic warts. One downside is that it's not yet implemented in a form that you can run on your computers. So for now, if you want to try out your code on a real mechanical evaluator, you'll need to use one of the other languages.
@@ -215,7 +217,7 @@ Fourth, in Kapulet, `( - 10)` expresses λ `x. x - 10` (consistently with
     ( - 2)         # ( - 2) 10 == 8
     (0 - )
     ( - ) (5, 3)
-    
+
 
 and here are their translations into natural Haskell:
 
@@ -517,6 +519,7 @@ Note there is no closing `end` or `}`. You can enclose the whole expression in p
       | 1 -> result1
       | x -> resultx
 
+<a id=as-patterns></a>
 The syntax for [[guards|topics/week1_kapulet_advanced#guards]] and [[as-patterns|topics/week1_kapulet_advanced#as-patterns]] also only varies slightly between these languages:
 
     # Kapulet
@@ -779,7 +782,7 @@ Notice that this form ends with `end`, not with `in result`. The above is roughl
       pat1  match expr1;
       ...
     in ... # rest of program or library
-    
+
 That is, the bindings initiated by the clauses of the `let` construction remain in effect until the end of the program or library. They can of course be "hidden" by subsequent bindings to new variables spelled the same way. The program:
 
     # Kapulet