hare-http/net/http/error.ha

use errors;
use io;
use net::dial;

// Errors possible while servicing HTTP requests. Note that these errors are for
// errors related to the processing of the HTTP connection; semantic HTTP errors
// such as [[STATUS_NOTFOUND]] are not handled by this type.
export type error = !(dial::error | io::error | errors::unsupported | protoerr);

// An HTTP protocol error occurred, indicating that the remote party is not
// conformant with HTTP semantics.
export type protoerr = !void;

// Converts an [[error]] to a string.
export fn strerror(err: error) const str = {
	match (err) {
	case let err: dial::error =>
		return dial::strerror(err);
	case let err: io::error =>
		return io::strerror(err);
	case errors::unsupported =>
		return "Unsupported HTTP feature";
	case protoerr =>
		return "HTTP protocol error";
	};
};