From 85824b87ff927a0befd7d035ffbf414ced052fcc Mon Sep 17 00:00:00 2001
From: Kate Korsaro <kate.korsaro@gmail.com>
Date: Sun, 16 Nov 2025 08:00:52 +0100
Subject: [PATCH] feat: add an empty error enum

---
 01.workspace/oxidice_lib/src/lib.rs           |  2 +
 01.workspace/oxidice_lib/src/str/failed_to.rs | 50 +++++++++++++++++++
 01.workspace/oxidice_lib/src/str/mod.rs       |  1 +
 3 files changed, 53 insertions(+)
 create mode 100644 01.workspace/oxidice_lib/src/str/failed_to.rs

diff --git a/01.workspace/oxidice_lib/src/lib.rs b/01.workspace/oxidice_lib/src/lib.rs
index 8784c5e..6891d24 100644
--- a/01.workspace/oxidice_lib/src/lib.rs
+++ b/01.workspace/oxidice_lib/src/lib.rs
@@ -6,3 +6,5 @@ mod mcr;
 mod str;
 mod trt;
 mod tst;
+
+pub(crate) use crate::str::failed_to::E as FailedTo;
diff --git a/01.workspace/oxidice_lib/src/str/failed_to.rs b/01.workspace/oxidice_lib/src/str/failed_to.rs
new file mode 100644
index 0000000..076b72b
--- /dev/null
+++ b/01.workspace/oxidice_lib/src/str/failed_to.rs
@@ -0,0 +1,50 @@
+use crate::*;
+// use std::fmt::Display;
+// use std::str::FromStr;
+
+#[derive(Debug, PartialEq, PartialOrd, Eq, Ord, Clone, Copy, Hash)]
+pub enum E {
+}
+
+// impl Display for E {
+// fn fmt(&self, f: &mut std::fmt::Formatter) -> std::result::Result<(), std::fmt::Error> {
+// match self {
+// Self::NoValue => write!(f, "NoValue"),
+// }
+// }
+// }
+
+// impl FromStr for E {
+// type Err = Box<dyn std::error::Error>;
+// fn from_str(value: &str) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+// match value {
+// "NoValue" => Ok(Self::NoValue),
+// _ => unreachable!(),
+// }
+// }
+// }
+
+// #[cfg(test)]
+// mod unit_tests {
+// use super::*;
+// #[test]
+// fn check_001() {
+// for value in [E::NoValue] {
+// match value {
+// E::NoValue => assert_eq!(
+// E::NoValue,
+// E::from_str("NoValue").unwrap()
+// ),
+// }
+// }
+// }
+// 
+// #[test]
+// fn check_002() {
+// for value in [E::NoValue] {
+// match value {
+// E::NoValue => assert_eq!(&E::NoValue.to_string(), "NoValue"),
+// }
+// }
+// }
+// }
diff --git a/01.workspace/oxidice_lib/src/str/mod.rs b/01.workspace/oxidice_lib/src/str/mod.rs
index e69de29..614f1db 100644
--- a/01.workspace/oxidice_lib/src/str/mod.rs
+++ b/01.workspace/oxidice_lib/src/str/mod.rs
@@ -0,0 +1 @@
+pub mod failed_to;