Macro swriteln

macro_rules! swriteln {
    ($dst:expr) => { ... };
    ($dst:expr,) => { ... };
    ($dst:expr, $($arg:tt)*) => { ... };
}

Write formatted text to the given String, followed by a newline.

Example

use swrite::{SWrite, swriteln};
let mut s = String::new();
swriteln!(s, "The answer is {}.", 42);