template things

src/lib.rs

@@ -1,7 +1,43 @@
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
+use std::any::{Any, TypeId};
+use std::collections::HashMap;
+
+#[derive(Debug, Clone)]
+pub enum CliOption {
+    Flag(bool),
+    Value(String),
+}
+
+pub trait CliArg {
+    type Content;
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct Template {
+    pub options: HashMap<Box<dyn Any>, CliArgInfo>,
+}
+
+pub struct CliArgInfo {
+    pub name: String,
+    pub allow_short: bool,
+    pub takes_value: bool,
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct BadArgs {
+    options: HashMap<TypeId, CliArgInfo>,
+}
+
+impl BadArgs {
+    pub fn get<T: Default>(&self) -> Option<&CliArgInfo> {
+        self.options.get(&T::type_id())
     }
 }
+
+pub fn badargs(template: Template) -> BadArgs {
+    let options = template
+        .options
+        .into_iter()
+        .map(|(key, value)| (key.type_id(), value))
+        .collect();
+    BadArgs { options }
+}