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| author | Bryan Newbold <bnewbold@robocracy.org> | 2017-02-20 00:05:29 -0800 |
|---|---|---|
| committer | Bryan Newbold <bnewbold@robocracy.org> | 2017-02-20 00:05:29 -0800 |
| commit | 8466d8cfa486fb30d1755c4261b781135083787b (patch) | |
| tree | c8c12c67246f543c3cc4f64d1c07e003cb1d45ae /srfi-9.scm | |
| parent | 87b82b5822ca54228cfa6df29be3ad9d4bc47d16 (diff) | |
| download | slib-8466d8cfa486fb30d1755c4261b781135083787b.tar.gz slib-8466d8cfa486fb30d1755c4261b781135083787b.zip | |
Import Upstream version 3a1upstream/3a1
Diffstat (limited to 'srfi-9.scm')
| -rw-r--r-- | srfi-9.scm | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/srfi-9.scm b/srfi-9.scm new file mode 100644 index 0000000..e55b193 --- /dev/null +++ b/srfi-9.scm @@ -0,0 +1,16 @@ +(require 'record) +(define-syntax define-record-field + (syntax-rules () + ((define-record-field type field-tag accessor) + (define accessor (record-accessor type 'field-tag))) + ((define-record-field type field-tag accessor modifier) + (begin (define accessor (record-accessor type 'field-tag)) + (define modifier (record-modifier type 'field-tag)))))) +;@ +(define-syntax define-record-type + (syntax-rules () + ((define-record-type type (constructor constructor-tag ...) predicate (field-tag accessor . more) ...) + (begin (define type (make-record-type 'type '(field-tag ...))) + (define constructor (record-constructor type '(constructor-tag ...))) + (define predicate (record-predicate type)) + (define-record-field type field-tag accessor . more) ...)))) |