name changes

Sources/SwiftNLPGenericLLMMacros/Macros.swift

@@ -18,7 +18,7 @@ public struct LLMModelNameValidation: ExpressionMacro {
         in context: some MacroExpansionContext
     ) throws -> ExprSyntax {
         
-        var macro = "let valid_models = [";
+        var macro = "try! { let valid_models = [";
         var index = 0;
         
         for (k, v) in LLM_MODEL_CLASSES {
@@ -35,7 +35,7 @@ public struct LLMModelNameValidation: ExpressionMacro {
             \(macro)
             if !valid_models.contains(self.model) {
                 throw fatalError("Model is not valid.");
-            }
+            } }();
             """
         )
     }