diff options
Diffstat (limited to 'modules/language/python/list.scm')
| -rw-r--r-- | modules/language/python/list.scm | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/modules/language/python/list.scm b/modules/language/python/list.scm index 34c9ba0..0131328 100644 --- a/modules/language/python/list.scm +++ b/modules/language/python/list.scm @@ -727,6 +727,10 @@ (defpair (len l) (length l)) +(define-method (len x) + (if (null? x) + 0 + (error "not a suitable lengthof"))) (define-method (len (v <vector>)) (vector-length v)) (define-method (len (s <string>)) (string-length s)) (define-method (len (o <py-list>)) (slot-ref o 'n)) |