relvar/patch.diff at trunk · madmax983/relvar · GitHub

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--- relvar-core/src/values/tuple.rs
+++ relvar-core/src/values/tuple.rs
@@ -410,6 +410,56 @@
     }
 }

+impl<'a> TryFrom<&'a ScalarValue> for i64 {
+    type Error = ();
+    fn try_from(value: &'a ScalarValue) -> Result<Self, Self::Error> {
+        match value {
+            ScalarValue::Int(v) => Ok(*v),
+            _ => Err(()),
+        }
+    }
+}
+
+impl<'a> TryFrom<&'a ScalarValue> for f64 {
+    type Error = ();
+    fn try_from(value: &'a ScalarValue) -> Result<Self, Self::Error> {
+        match value {
+            ScalarValue::Float(v) => Ok(*v),
+            _ => Err(()),
+        }
+    }
+}
+
+impl<'a> TryFrom<&'a ScalarValue> for String {
+    type Error = ();
+    fn try_from(value: &'a ScalarValue) -> Result<Self, Self::Error> {
+        match value {
+            ScalarValue::String(v) => Ok(v.clone()),
+            _ => Err(()),
+        }
+    }
+}
+
+impl<'a> TryFrom<&'a ScalarValue> for bool {
+    type Error = ();
+    fn try_from(value: &'a ScalarValue) -> Result<Self, Self::Error> {
+        match value {
+            ScalarValue::Bool(v) => Ok(*v),
+            _ => Err(()),
+        }
+    }
+}
+
+impl<'a> TryFrom<&'a ScalarValue> for Vec<u8> {
+    type Error = ();
+    fn try_from(value: &'a ScalarValue) -> Result<Self, Self::Error> {
+        match value {
+            ScalarValue::Bytes(v) => Ok(v.clone()),
+            _ => Err(()),
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;