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(* Copyright (c) 2008, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
signature SEARCH = sig
datatype ('state, 'abort) result =
Return of 'abort
| Continue of 'state
type ('data, 'state, 'abort) mapfolder =
'data -> 'state -> ('data * 'state, 'abort) result
type ('context, 'data, 'state, 'abort) mapfolderB =
'context -> 'data -> 'state -> ('data * 'state, 'abort) result
val return2 : 'data -> 'state -> ('data * 'state, 'abort) result
val map : ('state1, 'abort) result
* ('state1 -> 'state2)
-> ('state2, 'abort) result
val map2 : ('state2 -> ('state1 * 'state2, 'abort) result)
* ('state1 -> 'state1')
-> ('state2 -> ('state1' * 'state2, 'abort) result)
val bind : ('state1, 'abort) result
* ('state1 -> ('state2, 'abort) result)
-> ('state2, 'abort) result
val bind2 : ('state2 -> ('state1 * 'state2, 'abort) result)
* ('state1 -> 'state2 -> ('state1' * 'state2, 'abort) result)
-> ('state2 -> ('state1' * 'state2, 'abort) result)
val bindP : (('state11 * 'state12) * 'state2, 'abort) result
* ('state11 -> 'state2 -> ('state11 * 'state2, 'abort) result)
-> (('state11 * 'state12) * 'state2, 'abort) result
end
|
