encoding.rs: Fix example in doc comment

src/parser/instruction/encoding.rs

@@ -20,14 +20,14 @@ use encoding_parser::EncodingParser;
 ///
 /// # Examples
 /// ```rust
-/// use msp430_asm::{*, parser::{Encoding, EncodingParser}};
+/// use msp430_asm::{preamble::*, parser::preamble::*};
 /// // Create a token sequence
 /// let asm_file = r".b 8000(r15)";
 /// // Create a single-operand encoding parser
 /// let single: EncodingParser = Encoding::single().end();
 /// // Parse an Encoding from it
 /// let encoding: Encoding = single
-///     .parse(&Parser::default(), &mut Tokenizer::new(asm_file).ignore_spaces())
+///     .parse(&Default::default(), &mut Tokenizer::new(asm_file).ignore_spaces())
 ///     .unwrap();
 /// // Print the Encoding
 /// println!("{encoding}");