Update TextLoader.cs (dotnet#129)

spiederwalsh · eerhardt · commit 632967443916 · 2018-07-27T10:19:33.000-05:00
Make a 'not supported field type' exception more readable, so the developer could figure out why he can't load the data This closes dotnet#128
diff --git a/src/Microsoft.ML/TextLoader.cs b/src/Microsoft.ML/TextLoader.cs
@@ -91,7 +91,7 @@ private string TypeToName(Type type)
             else if (type == typeof(bool))
                 return "BL";
             else
-                throw new Exception("Type not implemented or supported."); //Add more types.
+                throw new System.NotSupportedException("Type ${type.FullName} is not implemented or supported."); //Add more types.
         }
 
         public ILearningPipelineStep ApplyStep(ILearningPipelineStep previousStep, Experiment experiment)

Original file line number	Diff line number	Diff line change
`@@ -91,7 +91,7 @@ private string TypeToName(Type type)`
`91`	`91`	`else if (type == typeof(bool))`
`92`	`92`	`return "BL";`
`93`	`93`	`else`
`94`		`- throw new Exception("Type not implemented or supported."); //Add more types.`
	`94`	`+ throw new System.NotSupportedException("Type ${type.FullName} is not implemented or supported."); //Add more types.`
`95`	`95`	`}`
`96`	`96`
`97`	`97`	`public ILearningPipelineStep ApplyStep(ILearningPipelineStep previousStep, Experiment experiment)`