use bit flags for methods in table view

dsc/src/subcommand.rs

@@ -394,7 +394,7 @@ pub fn resource(subcommand: &ResourceSubCommand, stdin: &Option<String>) {
         ResourceSubCommand::List { resource_name, description, tags, format } => {
 
             let mut write_table = false;
-            let mut methods: Vec<String> = Vec::new();
+            let mut methods = String::new();
             let mut table = Table::new(&["Type", "Kind", "Version", "Methods", "Requires", "Description"]);
             if format.is_none() && atty::is(Stream::Stdout) {
                 // write as table if format is not specified and interactive
@@ -436,18 +436,18 @@ pub fn resource(subcommand: &ResourceSubCommand, stdin: &Option<String>) {
                         if !found { continue; }
                     }
 
-                    methods = vec!["get".to_string()];
-                    if manifest.set.is_some() { methods.push("set".to_string()); }
-                    if manifest.test.is_some() { methods.push("test".to_string()); }
-                    if manifest.export.is_some() { methods.push("export".to_string()); }
+                    methods = "g---".to_string();
+                    if manifest.set.is_some() { methods.replace_range(1..2, "s"); }
+                    if manifest.test.is_some() { methods.replace_range(2..3, "t"); }
+                    if manifest.export.is_some() { methods.replace_range(3..4, "e"); }
                 }
 
                 if write_table {
                     table.add_row(vec![
                         resource.type_name,
                         format!("{:?}", resource.kind),
                         resource.version,
-                        methods.join(", "),
+                        methods.clone(),
                         resource.requires.unwrap_or_default(),
                         resource.description.unwrap_or_default()
                     ]);