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#lang info
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(define scribblings '(("scribblings/br.scrbl" ())))
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#lang scribble/manual
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@(require (for-label br/conditional))
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@title[#:style 'toc]{Beautiful Racket}
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@author[(author+email "Matthew Butterick" "mb@mbtype.com")]
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Beautiful Racket @link["http://beautifulracket.com"]{is a book} about making programming languages with Racket.
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This library provides the @tt{#lang br} teaching language used in the book, as well as supporting modules that can be used in other programs.
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@;defmodulelang[br]
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@tt{#lang br} is a teaching language designed to smooth over some of the small idiosyncrasies and inconsistencies in Racket, so that those new to Racket will say ``ah, that makes sense'' rather than ``huh? what?'' @tt{#lang br} is not meant to hide the true nature of Racket, but rather defer certain parts of the learning curve.
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To that end, this documentation not only explains the functions and forms in the Beautiful Racket library, but also how they depart from traditional or idiomatic Racket. (BTW ``Beautiful Racket'' is the name of the book, not an implication that the rest of Racket is less than beautiful. It is! But one thing at a time.)
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@section{Conditionals}
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@defmodule[br/conditional]
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@defform[(while cond body ...)]
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Loop over @racket[_body] expressions as long as @racket[_cond] is not @racket[#f]. If @racket[_cond] starts out @racket[#f], @racket[_body] expressions are not evaluated.
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@defform[(until cond body ...)]
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Loop over @racket[_body] expressions until @racket[_cond] is not @racket[#f]. If @racket[_cond] starts out @racket[#f], @racket[_body] expressions are not evaluated.
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@section{Datums}
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@defmodule[br/datum]
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@defproc[
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(format-datum
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[datum-template symbol?]
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[arg any/c?] ...)
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datum?]
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tk
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@section{Debugging}
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@defmodule[br/debug]
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TK
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@section{Define}
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@defmodule[br/define]
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TK
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@section{Reader utilities}
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@defmodule[br/reader-utils]
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TK
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@section{Syntax}
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@defmodule[br/syntax]
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TK
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