Honu:

- doc.txt, documented the sqrt() function
- typecheck-expression.ss, line-wrapped to <100 columns
- type-utils.ss, changed printout for void type from "<>" to "void"

svn: r980

collects/honu/doc.txt

@@ -95,6 +95,11 @@ String operations:
     - The zero-based index cannot be negative and must be less
       than the string length.
 
+Numeric operations:
+
+> sqrt(float f) => float
+    - Produces the square root of its argument.
+
 _Operators_
 
 Unary operators:

collects/honu/private/typechecker/type-utils.ss

@@ -57,7 +57,7 @@
        (symbol->string name)]
       [(struct honu:type-tuple (_ args))
        (if (null? args)
-           "<>"
+           "void"
            (string-append "<"
                           (fold (lambda (t i)
                                   (string-append i ", " (printable-type t)))

collects/honu/private/typechecker/typecheck-expression.ss

@@ -536,7 +536,9 @@
                    [honu:let-body     e1])
                  t1))]
       [(struct honu:seq (_ effects value))
-       (let-values ([(effects _) (map-two-values (lambda (e)
+       (let-values ([(effects _)
+                     (map-two-values
+                      (lambda (e)
                         (typecheck-expression lenv (make-void-type (honu:ast-stx e)) e))
                       effects)]
                      [(e1 t1) (typecheck-expression lenv ctype value)])