sequence.0rx

/* -----------------------------------------------------------------------------
Copyright 2021 Kevin P. Barry

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
----------------------------------------------------------------------------- */

// Author: Kevin P. Barry [ta0kira@gmail.com]

@value interface MutableOrder<#n|> {
  #n requires #self

  setNext (#n) -> (#self)
}

concrete SequenceNode<#n|#x|> {
  #n requires #self

  refines Order<#x>
  refines MutableOrder<#n,#x>

  @type create (#x) -> (#self)
  @type insert (#x,optional #n) -> (#self)
}

define SequenceNode {
  @value #x value
  @value optional #n next

  create (x) {
    return insert(x,empty)
  }

  insert (x,n) {
    return #self{ x, n }
  }

  get () {
    return value
  }

  next () {
    return next
  }

  setNext (n) {
    next <- n
    return self
  }
}

concrete Temp {
  @type sort<#x>
    #x defines LessThan<#x>
  (SequenceNode<#x>) -> ()
}

define Temp {
  sort (list)


}