diff options
Diffstat (limited to 's7.html')
| -rw-r--r-- | s7.html | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -4127,6 +4127,17 @@ in the procedure's local environment: > (documentation func) <em class="gray">"helpful info"</em> </pre> +<p>Since documentation is a method, a function's documentation can be computed at run-time: +</p> +<pre class="indented"> +(define func + (let ((documentation (lambda (f) (format #f "this is func's funclet: ~S" (funclet f))))) + (lambda (x) + (+ x 1)))) + +> (documentation func) +<em class="gray">"this is func's funclet: (inlet 'x ())"</em> +</pre> <p> <b>arity</b> takes any object and returns either #f if it is not applicable, @@ -4974,7 +4985,7 @@ which allows you to stop at some point, then evaluate arbitrary expressions in t <div class="indented"> -<p>The s7-built-in catch tags are 'wrong-type-arg, 'syntax-error, 'read-error, +<p>The s7-built-in catch tags are 'wrong-type-arg, 'syntax-error, 'read-error, 'unbound-variable, 'out-of-memory, 'wrong-number-of-args, 'format-error, 'out-of-range, 'division-by-zero, 'io-error, and 'bignum-error. </p> </div> @@ -6197,7 +6208,7 @@ same kind of name (or +pi+ to show it is a constant?). get-output-string should be current-output-string. write-char behaves like display, not write. provided? should be feature? or *features* should be *provisions*. list-ref, list-set!, and list-tail actually only apply to pairs. -And let-temporarily should be templet. +And let-temporarily should be templet, or maybe set-temporarily. </p> <p> |