artichoke_core/
io.rs

1//! I/O read and write APIs.
2
3/// Perform I/O external to the interpreter.
4pub trait Io {
5    /// Concrete error type for errors encountered when reading and writing.
6    type Error;
7
8    /// Writes the given bytes to the interpreter stdout stream.
9    ///
10    /// # Errors
11    ///
12    /// If the output stream encounters an error, an error is returned.
13    fn print(&mut self, message: &[u8]) -> Result<(), Self::Error>;
14
15    /// Writes the given bytes to the interpreter stdout stream followed by a
16    /// newline.
17    ///
18    /// The default implementation uses two calls to [`print`].
19    ///
20    /// # Errors
21    ///
22    /// If the output stream encounters an error, an error is returned.
23    ///
24    /// [`print`]: Self::print
25    fn puts(&mut self, message: &[u8]) -> Result<(), Self::Error> {
26        self.print(message)?;
27        self.print(b"\n")?;
28        Ok(())
29    }
30}
artichoke_core/io.rs

artichoke_core/
io.rs
