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• semigroup.scala

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cats.syntax.semigroup.scala Maven / Gradle / Ivy

package cats
package syntax

import cats.macros.Ops

trait SemigroupSyntax {
  // TODO: use simulacrum instances eventually
  implicit def semigroupSyntax[A: Semigroup](a: A): SemigroupOps[A] =
    new SemigroupOps[A](a)
}

class SemigroupOps[A: Semigroup](lhs: A) {
  def |+|(rhs: A): A = macro Ops.binop[A, A]
  def combine(rhs: A): A = macro Ops.binop[A, A]
  def combineN(rhs: Int): A = macro Ops.binop[A, A]
}