RUST language implemenation of IoText protocol

Author: bieli

Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "iotext"
+version = "0.1.0"
+rust-version = "1.57.0"
+
+[lib]
+name = "_iotext"
+crate-type = ["cdylib"]
+
+[dependencies]
+pyo3 = { version = "0.19.0", features = ["auto-initialize", "extension-module"] }
+
+# dependencies
+fancy-regex = "0.11.0"
+regex = "1.8.3"
+rustc-hash = "1.1.0"
+bstr = "1.5.0"
+
+[profile.release]
+incremental = true

requirements-dev.txt

@@ -1,3 +1,6 @@
 mypy
 black==22.3.0
 parameterized==0.9.0
+
+# required for RUST development
+maturin==1.2.1

src/lib.rs

@@ -0,0 +1,19 @@
+// This check is new and seems buggy (possibly with PyO3 interaction)
+#![allow(clippy::borrow_deref_ref)]
+
+use pyo3::prelude::*;
+
+/// Formats the sum of two numbers as string.
+#[pyfunction]
+fn sum_as_string(a: usize, b: usize) -> PyResult<String> {
+    Ok((a + b).to_string())
+}
+
+/// A Python module implemented in Rust. The name of this function must match
+/// the `lib.name` setting in the `Cargo.toml`, else Python will not be able to
+/// import the module.
+#[pymodule]
+fn string_sum(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
+    m.add_function(wrap_pyfunction!(sum_as_string, m)?)?;
+    Ok(())
+}