isabelle: src/HOL/MiniML/Maybe.thy@5d909faf0e04 (annotated)

1300 c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	1	(* Title: HOL/MiniML/Maybe.thy
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	2	ID: $Id$
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	3	Author: Dieter Nazareth and Tobias Nipkow
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	4	Copyright 1995 TU Muenchen
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	5
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	6	Universal error monad.
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	7	*)
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	8
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	9	Maybe = List +
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	10
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	11	datatype 'a maybe = Ok 'a \| Fail
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	12
1376 92f83b9d17e1 removed quotes from consts and syntax sections clasohm parents: 1300 diff changeset	13	consts bind :: ['a maybe, 'a => 'b maybe] => 'b maybe (infixl 60)
1300 c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	14
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	15	defs
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	16	bind_def "m bind f == case m of Ok r => f r \| Fail => Fail"
c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	17
1400 5d909faf0e04 Introduced Monad syntax Pat := Val; Cont nipkow parents: 1376 diff changeset	18	syntax "@bind" :: [pttrns,'a maybe,'b] => 'c ("(_ := _;//_)" 0)
5d909faf0e04 Introduced Monad syntax Pat := Val; Cont nipkow parents: 1376 diff changeset	19	translations "P := E; F" == "E bind (%P.F)"
5d909faf0e04 Introduced Monad syntax Pat := Val; Cont nipkow parents: 1376 diff changeset	20
1300 c7a8f374339b New theory: type inference for let-free MiniML nipkow parents: diff changeset	21	end

author	nipkow
	Fri, 08 Dec 1995 19:48:15 +0100
changeset 1400	5d909faf0e04
parent 1376	92f83b9d17e1
child 1557	fe30812f5b5e
permissions	-rw-r--r--