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diff lib/ur/basis.urs @ 829:20fe00fd81da

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Substring functions; fix a nasty MonoReduce pattern match substitution bug
author Adam Chlipala <adamc@hcoop.net>
date Sat, 30 May 2009 13:29:00 -0400
parents 14a6c0971d89
children 5e1a4b12c83a
line wrap: on
line diff
--- a/lib/ur/basis.urs	Sat May 30 09:59:10 2009 -0400
+++ b/lib/ur/basis.urs	Sat May 30 13:29:00 2009 -0400
@@ -57,6 +57,9 @@
 val strcat : string -> string -> string
 val strsub : string -> int -> char
 val strsuffix : string -> int -> string
+val strchr : string -> char -> option string
+val strindex : string -> char -> option int
+val substring : string -> int -> int -> string
 
 class show
 val show : t ::: Type -> show t -> t -> string