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Syntax.scala
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Syntax.scala
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package ilc
package feature
package integers
import scala.language.implicitConversions
trait BaseSyntax
extends base.Syntax
with Types
with functions.Types
{
case class LiteralInt(i: Int) extends Term {
override lazy val getType: Type = IntType
}
}
trait Syntax extends BaseSyntax {
case object PlusInt extends Term {
override lazy val getType: Type = IntType =>: IntType =>: IntType
}
case object NegateInt extends Term {
override lazy val getType: Type = IntType =>: IntType
}
// ℤ can be folded over just like ℕ ⊎ ℕ.
// foldInt isn't used yet. to add later?
}
trait SyntaxSugar
extends Syntax
with abelianGroups.SyntaxSugar
{
import Library._
val additiveGroupOnIntegers: Term =
AbelianGroup ! LiteralInt(additionIndexedGroupStamp) !
PlusInt ! NegateInt ! LiteralInt(0)
}
trait ImplicitBaseSyntaxSugar extends BaseSyntax {
implicit def intToTerm(n: Int): Term = LiteralInt(n)
}
trait ImplicitSyntaxSugar extends ImplicitBaseSyntaxSugar with SyntaxSugar