/// Start writing a PostScript function stream.
///
/// You can create the code bytes using [`PostScriptOp::encode`](types::PostScriptOp::encode).
Start writing a PostScript function stream.
Start writing a PostScript function stream .
pub fn post_script_function<'a>(
        &'a mut self,
        id: Ref,
        code: &'a [u8],
    ) -> PostScriptFunction<'a> {
        PostScriptFunction::start(self.stream(id, code))
    }
pub fn post_script_function < ' a > ( & ' a mut self , id : Ref , code : & ' a [ u8 ] , ) -> PostScriptFunction < ' a > { PostScriptFunction :: start ( self . stream ( id , code ) ) }
Start writing a PostScript function stream.
Start writing a PostScript function stream .
&'a mut self
id
Ref
code
&'a [u8]