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concatenation string patterns

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aarne
2006-01-06 21:49:25 +00:00
parent 16dfdad304
commit 731aea1a03
7 changed files with 32 additions and 20 deletions
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lib/prelude/Predef.gf
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@@ -10,6 +10,7 @@ resource Predef = {
oper Int : Type = variants {} ; -- the type of integers
oper Ints : Int -> Type = variants {} ; -- the type of integers from 0 to n
oper CC : Tok -> Tok -> Tok = variants {} ; -- concatenation; used in patterns
oper length : Tok -> Int = variants {} ; -- length of string
oper drop : Int -> Tok -> Tok = variants {} ; -- drop prefix of length
oper take : Int -> Tok -> Tok = variants {} ; -- take prefix of length