Demonstrating a binding err

main.nim

@@ -0,0 +1,8 @@
+# Run this file:
+# nim c -r main.nim
+#
+
+import ./somefn
+import ./otherfn
+
+discard int.someFn()

otherfn.nim

@@ -0,0 +1,10 @@
+
+import pkg/questionable
+import pkg/questionable/results
+
+import ./somefn
+
+proc otherFn*(): void =
+
+  without x =? int.someFn(), err:
+    echo "was err" & err.msg

somefn.nim

@@ -0,0 +1,14 @@
+import pkg/questionable
+import pkg/questionable/results
+
+proc someFn*(
+  X: type int
+): ?!int =
+  let res = success(1)
+
+  if err =? res.errorOption:
+    echo "err" & err.msg
+  else:
+    echo "no err"
+
+  failure("")