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#| Copyright (C) 2025 Peter McGoron
|
| Permission is hereby granted, free of charge, to any person obtaining a
| copy of this software and associated documentation files (the
| "Software"), to deal in the Software without restriction, including
| without limitation the rights to use, copy, modify, merge, publish,
| distribute, sublicense, and/or sell copies of the Software, and to
| permit persons to whom the Software is furnished to do so, subject to
| the following conditions:
|
| The above copyright notice and this permission notice (including the
| next paragraph) shall be included in all copies or substantial portions
| of the Software.
|
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
| IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
| CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
| TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
| SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|#
(define-library (srfi 229)
(import (scheme base) (srfi 259) (scheme case-lambda))
(export lambda/tag case-lambda/tag procedure/tag? procedure-tag)
(begin
(define-procedure-tag %procedure-tag %procedure/tag? procedure-tag)
(define (procedure/tag? proc)
(and (procedure? proc) (%procedure/tag? proc)))
(define-syntax case-lambda/tag
(syntax-rules ()
((_ expression clauses ...)
(%procedure-tag expression (case-lambda clauses ...)))))
(define-syntax lambda/tag
(syntax-rules ()
((_ expression formals body ...)
(%procedure-tag expression (lambda formals body ...)))))))
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