fn write_str(&mut self, s: &str) -> fmt::Result {
		for character in s.chars() {
			self.write_char(character).unwrap();
		}
		Ok(())
	}
/// Print a string of characters.
Print a string of characters.
Print a string of characters .
fn write_str(&mut self, s: &str) -> fmt::Result {
		for character in s.chars() {
			self.write_char(character).unwrap();
		}
		Ok(())
	}
fn write_str ( & mut self , s : & str ) -> fmt :: Result { for character in s . chars ( ) { self . write_char ( character ) . unwrap ( ) ; } Ok ( ( ) ) }
Print a string of characters.
Print a string of characters .
&mut self
s
&str
&mut self
s
&str