[base] Add a description to <~, ~>, and <::> doccomments

Author: rayrobdod

Base/src/main/scala/Extractor.scala

@@ -153,13 +153,17 @@ final class Extractor[Expr[_], Type[_], -A] private[stringContextParserCombinato
 		this.andThen(rhs)(ev)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * discarding the Unit result from the other parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */
 	def <~(rhs:Extractor[Expr, Type, Unit]):Extractor[Expr, Type, A] =
 		this.andThen(rhs)(typeclass.ContraSequenced.genericUnit)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * discarding the Unit result from this parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */

Base/src/main/scala/Interpolator.scala

@@ -189,20 +189,26 @@ final class Interpolator[-Expr, +A] private[stringContextParserCombinator] (
 		this.andThen(rhs)(ev)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * discarding the Unit result from the other parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */
 	def <~[ExprZ <: Expr](rhs:Interpolator[ExprZ, Unit]):Interpolator[ExprZ, A] =
 		this.andThen(rhs)(typeclass.Sequenced.genericUnit)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * discarding the Unit result from this parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */
 	def ~>[ExprZ <: Expr, B](rhs:Interpolator[ExprZ, B])(implicit ev: A <:< Unit):Interpolator[ExprZ, B] =
 		this.map(ev).andThen(rhs)(typeclass.Sequenced.unitGeneric)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * prepending the result from this parser to the List result from the other parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */

Base/src/main/scala/Parser.scala

@@ -154,13 +154,17 @@ final class Parser[Expr[_], Type[_], A] private[stringContextParserCombinator] (
 		this.andThen(rhs)(ev)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * discarding the Unit result from the other parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */
 	def <~(rhs:Parser[Expr, Type, Unit]):Parser[Expr, Type, A] =
 		this.andThen(rhs)(typeclass.BiSequenced.genericUnit)
 
 	/**
+	 * Returns a parser which invokes this parser, and upon success invokes the other parser,
+	 * discarding the Unit result from this parser
 	 * @group Sequence
 	 * @since 0.1.1
 	 */