Initialize Rust project with billing calculation functionality

1 files changed, 42 insertions, 0 deletions

diff --git a/src/cli/io_error.rs b/src/cli/io_error.rs
new file mode 100644
index 0000000..49b9939
--- /dev/null
+++ b/src/cli/io_error.rs
@@ -0,0 +1,42 @@
+use mingling::{
+    Groupped,
+    macros::{r_println, renderer},
+};
+use serde::Serialize;
+
+use crate::ThisProgram;
+
+#[derive(Groupped)]
+pub struct IOError {
+    inner: std::io::Error,
+}
+
+impl IOError {
+    pub fn new(error: std::io::Error) -> Self {
+        Self { inner: error }
+    }
+}
+
+impl From<std::io::Error> for IOError {
+    fn from(error: std::io::Error) -> Self {
+        Self::new(error)
+    }
+}
+
+impl Serialize for IOError {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        use serde::ser::SerializeStruct;
+        let mut state = serializer.serialize_struct("IOError", 2)?;
+        state.serialize_field("kind", &self.inner.kind().to_string())?;
+        state.serialize_field("info", &self.inner.to_string())?;
+        state.end()
+    }
+}
+
+#[renderer]
+pub fn render_io_error(prev: IOError) {
+    r_println!("{}: {}", prev.inner.kind(), prev.inner.to_string())
+}