Method match

chapter23/src/main/java/com/seaofnodes/simple/Parser.java:1732–1732

(String syntax)

    // Return true and skip if "syntax" is next in the stream.
    private boolean match (String syntax) { return _lexer.match (syntax); }
    // Match must be "exact", not be followed by more id letters
    private boolean matchx(String syntax) { return _lexer.matchx(syntax); }
    private boolean matchOp(char c0 ) { return _lexer.matchOp(c0);  }