basics for uniffi

crates/servicepoint_binding_uniffi/src/bin/uniffi-bindgen-cs.rs

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+fn main() {
+    uniffi_bindgen_cs::main().unwrap();
+}

crates/servicepoint_binding_uniffi/src/bin/uniffi-bindgen.rs

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+fn main() {
+    uniffi::uniffi_bindgen_main()
+}

crates/servicepoint_binding_uniffi/src/command.rs

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+use std::sync::Arc;
+
+#[uniffi::export]
+trait Command: Send + Sync {}
+
+#[derive(uniffi::Object)]
+pub struct Clear {
+    actual: servicepoint::Command,
+}
+#[uniffi::export]
+impl Command for Clear {}
+
+#[uniffi::export]
+impl Clear {
+    #[uniffi::constructor]
+    pub fn new() -> Arc<Self> {
+        let actual = servicepoint::Command::Clear;
+        Arc::new(Clear { actual })
+    }
+}

crates/servicepoint_binding_uniffi/src/connection.rs

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+use std::{sync::Arc};
+
+#[derive(uniffi::Object)]
+pub struct Connection {
+    actual: servicepoint::Connection,
+}
+
+#[derive(uniffi::Error, thiserror::Error, Debug)]
+pub enum ConnectionError {
+    #[error("An IO error occured: {error}")]
+    IOError {
+        error: String}
+}
+
+#[uniffi::export]
+impl Connection {
+    #[uniffi::constructor]
+    pub fn new(host: String) -> Result<Arc<Self>, ConnectionError> {
+        servicepoint::Connection::open(host)
+            .map(|actual|Arc::new(Connection { actual}) )
+            .map_err(|err| ConnectionError::IOError { error:  err.to_string()})
+    }
+}

crates/servicepoint_binding_uniffi/src/lib.rs

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+uniffi::setup_scaffolding!();
+
+mod command;
+mod connection;