Abhik B Pramanik abhikp

abhikp / nested_match.rs

Created October 12, 2017 19:39

Return a nested match where an error could also be returned

	fn nested_match(unpack: Option<Option<i32>>) -> Result<Option<i32>, String> {
	return Ok(match unpack {
	None => None,
	Some(option) => {
	let unpack_again = match option {
	Some(int) => int,
	None => return Err("ERROR".to_owned()),
	};

	Some(unpack_again)

abhikp / assign_raw_pointer.rs

Last active October 11, 2017 16:09

Assign raw pointer for error handling according in FFI hourglass pattern

	use std::ptr;

	pub struct Error {
	description: String,
	}

	pub unsafe extern "C" fn assign_error(error_t_t: mut mut Error) {
	let error_ptr = Box::new(Error {
	description: "This is an error".to_owned(),
	});

abhikp / extend_trait.rs

Last active October 10, 2017 23:10

Extending traits in Rust

	pub trait GenericError {
	fn description(&self) -> String {
	return "GenericError".to_owned();
	}
	}

	pub trait Error: GenericError {
	}

	pub struct MyError {}