5faab8b578
- `debugm' does not parse or print the arguments to the form,
so it works for macros, not just function application
36 lines
921 B
Racket
36 lines
921 B
Racket
#lang scribble/doc
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@(require scribble/base
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scribble/manual scribble/eval
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"utils.rkt"
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(for-label unstable/debug
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racket/serialize
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racket/contract
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racket/base))
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@title[#:tag "debug"]{Debugging}
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@(define the-eval (make-base-eval))
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@(the-eval '(require unstable/debug racket/match))
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@defmodule[unstable/debug]
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@unstable-header[]
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@defform*[[(debug (f args ...))
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(debug f args ...)]]{
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Produce debugging output for the application of @racket[f], including the values of @racket[args].
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@examples[#:eval the-eval
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(debug (+ 3 4 (* 5 6)))
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(debug + 1 2 3)
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]
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}
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@defform*[[(debugm f args ...)]]{
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Produce debugging output for the application of @racket[f], but does
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not parse or print args. Suitable for use debugging macros.
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@examples[#:eval the-eval
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(debugm match (list 1 2 3)
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[(list x y z) (+ x y z)])
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(debugm + 1 2 3)
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]
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}
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