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-rw-r--r--weeb/struct.scm5
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

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