From 3041204ff76a4ae9ebdb61f39e3e7677e1bd846e Mon Sep 17 00:00:00 2001
From: Marcel Otto <marcelotto@gmx.de>
Date: Sun, 1 Nov 2020 02:26:18 +0100
Subject: [PATCH] Add RDF.BlankNode.value/1

---
 CHANGELOG.md          | 1 +
 lib/rdf/blank_node.ex | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e514a2..69da33f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ This project adheres to [Semantic Versioning](http://semver.org/) and
 
 - `RDF.Dataset.prefixes/1` for getting an aggregated `RDF.PrefixMap` over all graphs
 - `RDF.PrefixMap.put/3` for adding a prefix mapping and overwrite an existing one
+- `RDF.BlankNode.value/1` for getting the internal string representation of a blank node
  
 ### Changed
 
diff --git a/lib/rdf/blank_node.ex b/lib/rdf/blank_node.ex
index a4c224c..d8aca54 100644
--- a/lib/rdf/blank_node.ex
+++ b/lib/rdf/blank_node.ex
@@ -40,6 +40,11 @@ defmodule RDF.BlankNode do
   def new(value) when is_atom(value) or is_integer(value),
     do: value |> to_string |> new
 
+  @doc """
+  Returns the internal string representation of a blank node.
+  """
+  def value(%__MODULE__{} = bnode), do: bnode.value
+
   @doc """
   Tests for value equality of blank nodes.