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fixed dirs and world docs

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svn: r4635
This commit is contained in:
Matthias Felleisen 2006-10-19 01:15:41 +00:00
parent 4cb6ebbf59
commit d4b06ad3f5
2 changed files with 8 additions and 5 deletions
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8
collects/teachpack/htdp/Docs/dir.thtml
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@ -4,7 +4,7 @@
<p>The teachpack <code>dir.ss</code> provides two-structures and one
operation:
<menu>
<li> <code>(define-struct dir (names dirs files))</code>
<li> <code>(define-struct dir (name dirs files))</code>
<li> <code>(define-struct file (name size content))</code>
@ -15,10 +15,10 @@ operation:
<p>The teachpack relies on two data definitions:
<menu>
<li>
A directory is
<code>({(idx make-dir)} string[path] (listof directory) (listof file))</code>
A Directory is
<code>({(idx make-dir)} string[path] (listof Directory) (listof File))</code>
<li>
A file is <code>({(idx make-file)} string[file name])</code>
A File is <code>({(idx make-file)} String PositiveNumber (listof Char))</code>
</menu>
Sample: Set teachpack to <code>dir.ss</code> and execute. Then evaluate

5
collects/teachpack/htdp/Docs/world.thtml
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@ -83,7 +83,10 @@ students to simulate a small world of animated drawings and games:
<code>(add-line scene x0 y0 x1 y1 c)</code>
places a line of color <code>c</code> from <code>(x0,y0)</code> to
<code>(x1,y1)</code> into <code>scene</code>;
<code>(x,y)</code> are comp. graph. coordinates
<code>(x,y)</code> are comp. graph. coordinates;
in contrast to the {(idx image.ss)} <code>add-line</code> function, this
one cuts off those portions of the line that go beyond the boundaries of
the given <code>Scene.</code>
<li><code>{(idx run-movie)} : (Listof Image) -> true </code><br>
<code>(run-movie loi)</code>