Revision 91f307bf5a2820657281457f48cee2ee0073df6f authored by Barak A. Pearlmutter on 16 January 2021, 09:16:31 UTC, committed by Barak A. Pearlmutter on 16 January 2021, 09:16:31 UTC
1 parent f506282
foreach
;;; -*- logo -*-
.macro foreach [:foreach.inputs] 2
catch "foreach.catchtag ~
[op foreach.done runresult ~
[foreach1 bl :foreach.inputs last :foreach.inputs 1]]
op []
end
to foreach1 :template.lists :foreach.template :template.number
if emptyp first :template.lists [throw "foreach.catchtag]
apply :foreach.template firsts :template.lists
.maybeoutput foreach1 bfs :template.lists :foreach.template :template.number+1
end
to foreach.done :foreach.result
if emptyp :foreach.result [op [stop]]
op (list "output "first (list first :foreach.result))
end
to ?rest [:which 1]
output bf item :which :template.lists
end
bury [foreach foreach1 foreach.done ?rest]
Computing file changes ...