feat: add a new empty struct Handful

01.workspace/oxidice_lib/src/str/failed_to.rs

@@ -3,8 +3,7 @@ use crate::*;
 // use std::str::FromStr;
 
 #[derive(Debug, PartialEq, PartialOrd, Eq, Ord, Clone, Copy, Hash)]
-pub enum E {
-}
+pub enum E {}
 
 // impl Display for E {
 // fn fmt(&self, f: &mut std::fmt::Formatter) -> std::result::Result<(), std::fmt::Error> {
@@ -38,7 +37,7 @@ pub enum E {
 // }
 // }
 // }
-// 
+//
 // #[test]
 // fn check_002() {
 // for value in [E::NoValue] {

01.workspace/oxidice_lib/src/str/handful.rs

@@ -0,0 +1,15 @@
+use crate::*;
+
+#[derive(Debug, Default, PartialEq, Clone)]
+pub struct O {}
+
+// impl std::fmt::Display for O {
+// fn fmt(&self, _f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
+// todo!();
+// }
+// }
+
+// #[cfg(test)]
+// mod unit_tests {
+// use super::*;
+// }

01.workspace/oxidice_lib/src/str/mod.rs

@@ -1 +1,2 @@
 pub mod failed_to;
+pub mod handful;