From 34a3db7a7fc6fa7eb40e1c1f5ea9b85a0bee5519 Mon Sep 17 00:00:00 2001
From: Pierre-Antoine Champin <pchampin@liris.cnrs.fr>
Date: Thu, 27 Aug 2020 16:41:58 +0200
Subject: [PATCH] destruct methods for SparqlResult

---
 api/src/sparql.rs | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/api/src/sparql.rs b/api/src/sparql.rs
index 8b9ed89d..54de2a49 100644
--- a/api/src/sparql.rs
+++ b/api/src/sparql.rs
@@ -42,6 +42,42 @@ where
     Triples(T::TriplesResult),
 }
 
+impl<T> SparqlResult<T>
+where
+    T: SparqlDataset + ?Sized,
+{
+    /// Get this result as a `Bindings`.
+    ///
+    /// # Panics
+    /// This will panic if `self` is actually of another kind.
+    pub fn into_bindings(self) -> T::BindingsResult {
+        match self {
+            SparqlResult::Bindings(b) => b,
+            _ => panic!("This SparqlResult is not a Bindings"),
+        }
+    }
+    /// Get this result as a `Boolean`.
+    ///
+    /// # Panics
+    /// This will panic if `self` is actually of another kind.
+    pub fn into_boolean(self) -> bool {
+        match self {
+            SparqlResult::Boolean(b) => b,
+            _ => panic!("This SparqlResult is not a Boolean"),
+        }
+    }
+    /// Get this result as a `Triples`.
+    ///
+    /// # Panics
+    /// This will panic if `self` is actually of another kind.
+    pub fn into_triples(self) -> T::TriplesResult {
+        match self {
+            SparqlResult::Triples(t) => t,
+            _ => panic!("This SparqlResult is not a Triples"),
+        }
+    }
+}
+
 /// The result of executing a SPARQL SELECT query
 pub trait SparqlBindings<D>:
     IntoIterator<Item = Result<Vec<Option<D::BindingsTerm>>, D::SparqlError>>