LookupKeyword returns the keyword type if the given ident is keyword.

NewIllegalToken returns a new illegal token.

=.

:.

,.

.

3s,3ms.

main.

123.

`abc:`.

{.

[.

(.

*.

`abc`.

/.

`abc`.

}.

].

).

;.

"abc".

-.

EofToken is the end of file token.

ErrorToken is the error token.

HttpMethods returns the http methods.

IllegalPosition is a position that is not valid.

Position represents a rune position in the source code.

Token is the token of a rune.

Type is the type of token.