pub fn format(&self) -> &str {
        assert!(!self.format.is_null());
        // safe because the lifetime of `self.format` equals `self`
        unsafe { CStr::from_ptr(self.format) }
            .to_str()
            .expect("The external API has a non-utf8 as format")
    }
/// returns the format of this schema.
returns the format of this schema.
returns the format of this schema .
pub fn format(&self) -> &str {
        assert!(!self.format.is_null());
        // safe because the lifetime of `self.format` equals `self`
        unsafe { CStr::from_ptr(self.format) }
            .to_str()
            .expect("The external API has a non-utf8 as format")
    }
pub fn format ( & self ) -> & str { assert ! ( self format is_null ( ) ) ; // safe because the lifetime of `self.format` equals `self` unsafe { CStr :: from_ptr ( self . format ) } . to_str ( ) . expect ( " " ) }
returns the format of this schema.
returns the format of this schema .
&self
&self