Provide "library" via tricu file directly

Allows easier loading of other files and drops the list of Haskell
strings containing the basic tools included

src/FileEval.hs

@@ -1,7 +1,6 @@
 module FileEval where
 
 import Eval
-import Library
 import Parser
 import Research
 
@@ -9,17 +8,23 @@ import System.IO
 
 import qualified Data.Map as Map
 
-evaluateFile :: FilePath -> IO T
-evaluateFile filePath = do
+evaluateFileResult :: FilePath -> IO T
+evaluateFileResult filePath = do
   contents <- readFile filePath
   let asts = parseTricu contents
-  let finalEnv = evalTricu library asts
+  let finalEnv = evalTricu Map.empty asts
   case Map.lookup "__result" finalEnv of
     Just finalResult -> return finalResult
     Nothing -> error "No result found in final environment"
 
-evaluateFileEnv :: FilePath -> IO Env
-evaluateFileEnv filePath = do
+evaluateFile :: FilePath -> IO Env
+evaluateFile filePath = do
   contents <- readFile filePath
   let asts = parseTricu contents
-  pure $ evalTricu library asts
+  pure $ evalTricu Map.empty asts
+
+evaluateFileWithContext :: Env -> FilePath -> IO Env
+evaluateFileWithContext env filePath = do
+  contents <- readFile filePath
+  let asts = parseTricu contents
+  pure $ evalTricu env asts