diff options
Diffstat (limited to 'weeb/struct.scm')
| -rw-r--r-- | weeb/struct.scm | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/weeb/struct.scm b/weeb/struct.scm index 64349ef..65fa2ab 100644 --- a/weeb/struct.scm +++ b/weeb/struct.scm @@ -20,6 +20,7 @@ #:use-module (ice-9 regex) #:export (define-struct make-struct + instance-of? with-accessors call-with-slots)) @@ -40,6 +41,10 @@ instantiate the record's fields." (apply (record-constructor type) args)) +(define (instance-of? type rtd) + "Returns true if RTD is an instance of TYPE." + ((record-predicate type) rtd)) + ;; Bind the accessors for the fields of the record RTD to local ;; variables in BODY. RTD must be a record type descriptor. (define-syntax with-accessors |