Merge pull request #500 from sanders41/prompt

Remove unneeded trait

Author: sanders41

src/project_info.rs

@@ -96,11 +96,7 @@ struct Prompt {
     default: Option<String>,
 }
 
-trait PromptInput {
-    fn show_prompt(&self) -> Result<String>;
-}
-
-impl PromptInput for Prompt {
+impl Prompt {
     fn show_prompt(&self) -> Result<String> {
         let mut input = String::new();