sequences.extras: making evens/odds mutable sequences.

[factor.git] / extra / sequences / extras / extras.factor

diff --git a/extra/sequences/extras/extras.factor b/extra/sequences/extras/extras.factor
index fd020b6915fa4573f43a39d9c5a247eebcf32967..f8671a254d5be539e9ed25d87c6dfc8c8f2c51ee 100644 (file)
--- a/extra/sequences/extras/extras.factor
+++ b/extra/sequences/extras/extras.factor
@@ -392,8 +392,6 @@ M: evens virtual@ [ 2 * ] [ seq>> ] bi* ; inline
 
 M: evens virtual-exemplar seq>> ; inline
 
-INSTANCE: evens immutable-sequence
-
 INSTANCE: evens virtual-sequence
 
 TUPLE: odds { seq read-only } ;
@@ -406,8 +404,6 @@ M: odds virtual@ [ 2 * 1 + ] [ seq>> ] bi* ; inline
 
 M: odds virtual-exemplar seq>> ; inline
 
-INSTANCE: odds immutable-sequence
-
 INSTANCE: odds virtual-sequence
 
 : until-empty ( seq quot -- )