define-record-and-printer

Trivial macro to define records and appropriate printers

define-record-and-printer
1. define-record-and-printer
2. About this egg
  1. Author
  2. Repository
  3. License
  4. Dependencies
  5. Versions
  6. Colophon

`define-record-and-printer`

[syntax] (define-record-and-printer name slotname) → record

Define a record and a printer that shows the contents of the record as a vector; see define-record.

name: The name of the record
slotname: The name of the slot

(define-syntax
  define-record-and-printer
  (lambda (expression rename compare)
    (match expression
           ((_ record . fields)
            (let ((%define-record (rename 'define-record))
                  (%define-record-printer (rename 'define-record-printer))
                  (%begin (rename 'begin))
                  (%lambda (rename 'lambda))
                  (%write (rename 'write))
                  (%record->vector (rename 'record->vector)))
              `(,%begin
                (,%define-record ,record ,@fields)
                (,%define-record-printer
                 ,record
                 (,%lambda
                  (record out)
                  (,%write (,%record->vector record) out)))))))))

About this egg

Author

Peter Danenberg

Repository

https://github.com/klutometis/define-record-and-printer

License

BSD

Dependencies

Versions

0.1: Version 0.1
0.1.1: Release with docs
0.1.2: Add cock.
0.1.3: Remove the dependency on setup-helper-cock.
0.1.4: Use hahn.

Colophon

Documented by hahn.