From: John Benediktsson Date: Mon, 10 Oct 2022 04:20:17 +0000 (-0700) Subject: sequences: fix when-empty stack effect. X-Git-Tag: 0.99~1055 X-Git-Url: https://gitweb.factorcode.org/gitweb.cgi?p=factor.git;a=commitdiff_plain;h=47ce4c068689fd8b0d75a5efcec78d2418d042c5 sequences: fix when-empty stack effect. --- diff --git a/core/sequences/sequences.factor b/core/sequences/sequences.factor index b3c5564764..aaebd61708 100644 --- a/core/sequences/sequences.factor +++ b/core/sequences/sequences.factor @@ -31,7 +31,7 @@ M: sequence shorten 2dup length < [ set-length ] [ 2drop ] if ; inline : if-empty ( ..a seq quot1: ( ..a -- ..b ) quot2: ( ..a seq -- ..b ) -- ..b ) [ dup empty? ] [ [ drop ] prepose ] [ ] tri* if ; inline -: when-empty ( ... seq quot: ( ... -- obj ) -- ... seq/obj ) [ ] if-empty ; inline +: when-empty ( ... seq quot: ( ... -- ... obj ) -- ... seq/obj ) [ ] if-empty ; inline : unless-empty ( ... seq quot: ( ... seq -- ... ) -- ... ) [ ] swap if-empty ; inline : delete-all ( seq -- ) 0 swap set-length ;