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-rw-r--r--spec/reference.bqn12
1 files changed, 8 insertions, 4 deletions
diff --git a/spec/reference.bqn b/spec/reference.bqn
index 40cbefb9..288fdc39 100644
--- a/spec/reference.bqn
+++ b/spec/reference.bqn
@@ -242,11 +242,15 @@ _scan←{
! IsArray 𝕩
! 1≤=𝕩
F←𝔽
- (0<≠∘⥊)◶⊢‿{
- r←⥊𝕩 ⋄ l←≠𝕩 ⋄ c←×´1 Cell 𝕩
- {r↩r𝕩_amend˜𝕨F○(⊑⟜r)𝕩}⟜(c⊸+)¨↕c-˜≠r
+ cs←1 Cell 𝕩
+ ! (cs≡≢)𝕨
+ l←≠r←⥊𝕩
+ 𝕨 (0<l)◶⊢‿{
+ c←×´cs
+ {r↩≥⟜c◶⟨⊑⟜(⥊𝕩)⊸F⋄⊢⟩⟜(⊑⟜r)¨↕l}𝕨
+ {r↩r𝕩_amend˜𝕨F○(⊑⟜r)𝕩}⟜(c⊸+)¨↕l-c
(≢𝕩)⥊r
- }𝕩
+ } 𝕩
}
_repeat_←{
n←𝕨𝔾𝕩