Fixes issue #8

[ngunn]

let f x = x * x
let f x = x ** x ** x
let f x = +. x
all work

cold/ files built by running fan on main/ files

main/lex_fan:
add "+." as keyword so it can be used as either a prefix or infix (like "-.")

main/parse_fan:
add missing(?) keywords to the parser.
make "**" right associative
add trivial unary "+" rule where the unary minus one is (handles "let f x = +. x" for the only reason that OCaml already permits it)

[bobzhang]

Thanks! sorry for the delay, I would take a look this weekend

[ngunn]

No problem. Thanks for letting me know.

[bobzhang]

Thanks for you good catch, I merged your patch in commit 1b6530a
and
817f7f8
I did not add "+." as keyword yet, need to check with ocaml manual.

You seems to have a really good understanding on how Fan works, I can grant your write access if you like.

[ngunn]

Thanks!

I did not add "+." as keyword yet, need to check with ocaml manual.

I didn't check the manual (just tested against the compiler).
From my version of OCaml, in parsing/parser.mly, it's obvious that unary plus is at least intended:
expression parsing (line 1043-4):
| additive expr %prec prec_unary_plus
{ mkuplus $1 $2 }

where additive is "+" | "+.", mkuplus is defined on line 114

You seems to have a really good understanding on how Fan works, I can grant your write access if you like.

I'm pleased to be working with Fan. I would prefer to push changes through you for now, if possible. I don't yet have a good grasp of the overall design and data flow.

I also have a cosmetic commit renaming util to utilf (js_of_ocaml also has util.ml and my project includes both). Are you interested in it?

[bobzhang]

yes, renaming is fine. Could you send me a patch, I would merge that directly