From 46bf67f44c4d7b40a50236614ea71c77d1fb38ad Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Wed, 13 Mar 2019 00:20:46 -0400
Subject: add type signatures

---
 shelves.hs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/shelves.hs b/shelves.hs
index 0136e1c..b1cfd76 100644
--- a/shelves.hs
+++ b/shelves.hs
@@ -3,37 +3,52 @@ import Control.Lens
 import Data.List
 import GenSCAD
 
+shelf_thickness :: Double
 shelf_thickness = 0.5
+shelf_width :: Double
 shelf_width = 8
+shelf_length :: Double
 shelf_length = 36 * 2
+shelf_dim :: V3 Double
 shelf_dim = V3 shelf_length shelf_width shelf_thickness
 
+shelf_heights :: [Double]
 shelf_heights = [12, 10, 8, 8, 8, 8, 8]
 
 -- working algorithm doing the same as `scanl (+) 0 shelf_heights`
 --acc [] = [0]
 --acc xs = acc(init xs) ++ [sum xs]
 
+shelf_height :: Double
 shelf_height = (sum shelf_heights) + (shelf_dim ^. _z * (fromIntegral (length shelf_heights) + 1))
 
+side_dim :: V3 Double
 side_dim = V3 0.5 shelf_width shelf_height
 
 --shelf_y_poss = scanl (+) 0 shelf_heights
+shelf_y_poss :: [Double]
 shelf_y_poss = scanl (+) 0 [h+shelf_thickness| h <- shelf_heights]
+shelves_pos :: [V3 Double]
 shelves_pos = [V3 (side_dim ^. _x) 0 y | y <- shelf_y_poss]
+shelves :: [(V3 Double, V3 Double)]
 shelves = [(p, shelf_dim) | p <- shelves_pos]
 
 --sides = [(V3 0 0 0, side_dim), (V3 (side_dim ^. _x + shelf_length) 0 0, side_dim)]
+sides_pos :: [V3 Double]
 sides_pos = [V3 0 0 0, V3 (side_dim ^. _x + shelf_length) 0 0]
+sides :: [(V3 Double, V3 Double)]
 sides = [(p, side_dim) | p <- sides_pos]
 
 --V3_to_string v = drop 3 (show v)
 
+_V32l :: R3 t => t a -> [a]
 _V32l v3 = [v3 ^. _x, v3 ^. _y, v3 ^. _z]
+_V32s :: (Show a, R3 t) => t a -> [Char]
 _V32s v3 = intercalate ", " (map show (_V32l v3))
 --scad_place (p,d)  = "translate([ " ++ _V32s(p) ++ " ]) { cube([ " ++ _V32s(d) ++ " ]);}"
 --genscad objs = concat $ map (++ "\n") $ map scad_place objs
 
+scadshelf :: String
 scadshelf = genscad $ shelves ++ sides
 
 --gen_shelf :: [Fractional] -> Fractional -> Fractional -> [Char]
@@ -41,6 +56,7 @@ scadshelf = genscad $ shelves ++ sides
 
 
 
+main :: IO ()
 main = do putStrLn scadshelf
 
 
-- 
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