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svn: r9437
This commit is contained in:
Matthias Felleisen 2008-04-23 21:28:43 +00:00
parent 24d3d5015f
commit 2806c7f863
2 changed files with 43 additions and 49 deletions
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43
collects/teachpack/htdp/Docs/guess.scrbl Normal file
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#lang scribble/doc
@(require scribble/manual
(for-label scheme
teachpack/htdp/guess))
@title[#:tag "guess"]{Guessing Numbers: guess.ss}
@declare-exporting[teachpack/htdp/guess]
The teachpack provides operations to play a guess-the-number game. Each
operation display a GUI in which a player can choose specific values for
some number of digits and then check the guess. The more advanced
operations ask students to implement more of the game.
@defproc[(guess-with-gui [check-guess (-> number? number? symbol?)]) true]{
The @scheme[check-guess] function consumes two numbers: @scheme[guess], which
is the user's guess, and @scheme[target], which is the randomly
chosen number-to-be-guessed. The result is a symbol that reflects the
relationship of the player's guess to the target.}
@defproc[(guess-with-gui-3 [check-guess (-> digit? digit? digit? number? symbol?)]) true]{
The @scheme[check-guess] function consumes three digits (@scheme[digit0],
@scheme[digit1], @scheme[digit2]) and one number (@scheme[target]). The
latter is the randomly chosen number-to-be-guessed; the three digits are
the current guess. The result is a symbol that reflects the relationship of
the player's guess (the digits converted to a number) to the target.
Note: @scheme[digit0] is the @emph{least} significant digit that
the user chose and @scheme[digit2] is the @emph{most} significant
one.}
@defproc[(guess-with-gui-list [check-guess (-> (list-of digit?) number? symbol?)]) true]{
The @scheme[check-guess] function consumes a list of digits
(@scheme[digits]) and a number (@scheme[target]). The former is a list
that makes up the user's guess, and the latter is the randomly chosen
number-to-be-guessed. The result is a symbol that reflects the
relationship of the player's guess (the digits converted to a number) to
the target.
Note: the first item on @scheme[digits] is the @emph{least}
significant digit that the user chose, and the last one is the
@emph{most} significant digit.}

49
collects/teachpack/htdp/Docs/guess.thtml
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{ (define LIBNAME "Guess")
(include "head.tinc") }
<p>The teachpack <code>guess.ss</code> provides operations to play a
guess-the-number game. Each operation display a GUI in which a player
can choose specific values for some number of digits and then check the
guess. The more advanced operations ask students to implement more of the
game. </p>
<p> The teachpack provides three operations:
<menu>
<li><code>{(idx guess-with-gui)} : check-guess -> true; </code> <br>
The check-guess function consumes two numbers: <code>guess</code>, which
is the user's guess, and <code>target</code>, which is the randomly
chosen number-to-be-guessed. The result is a symbol that reflects the
relationship of the player's guess to the target.
<br><br>
<li><code>{(idx guess-with-gui-3)} : check-guess -> true; </code> <br>
The check-guess function consumes three digits and one number:
<code>digit0, digit1, digit2</code>, which make up the user's guess, and
<code>target</code>, which is the randomly chosen
number-to-be-guessed. The result is a symbol that reflects the
relationship of the player's guess (the digits converted to a number) to
the target.
<br><br>
Note: <code>digit0</code> is the <em>least</em> significant digit that
the user chose and <code>digit2</code> is the <em>most</em> significant
one.
<li><code>{(idx guess-with-gui-list)} : check-guess -> true; </code> <br>
The check-guess function consumes a list of digits and one number:
<code>digits</code>, a list that makes up the user's guess, and
<code>target</code>, which is the randomly chosen
number-to-be-guessed. The result is a symbol that reflects the
relationship of the player's guess (the digits converted to a number) to
the target.
<br><br>
Note: the first item on <code>digits</code> is the <em>least</em>
significant digit that the user chose, and the last one is the
<em>most</em> significant digit.
</menu>
{(include "foot.tinc")}