patch https://bitbucket.org/tkatchev/tab to compile on OS X

patch.diff

diff --git a/funcs.h b/funcs.h
index 5780af7..d99a5da 100644
--- a/funcs.h
+++ b/funcs.h
@@ -18,7 +18,7 @@ namespace funcs {
 #include "funcs/if.h"
 #include "funcs/array.h"
 #include "funcs/sort.h"
-#include "funcs/reverse.h"
+//#include "funcs/reverse.h"
 #include "funcs/misc.h"
 #include "funcs/hist.h"
 
@@ -45,7 +45,7 @@ void register_functions() {
     funcs::register_if(funs);
     funcs::register_array(funs);
     funcs::register_sort(funs);
-    funcs::register_reverse(funs);
+    //funcs::register_reverse(funs);
     funcs::register_misc(funs);
     funcs::register_hist(funs);
 }
diff --git a/funcs/index.h b/funcs/index.h
index bd96a62..0321f01 100644
--- a/funcs/index.h
+++ b/funcs/index.h
@@ -225,7 +225,7 @@ Functions::func_t index_checker(const Type& args, Type& ret, obj::Object*& obj)
         if (!arg.literal || !check_integer(arg)) 
             throw std::runtime_error("Indexing tuples is only possible with integer literals.");
 
-        size_t i;
+        size_t i = 0;
         Functions::func_t fun;
         
         if (arg.atom == Type::UINT) {
diff --git a/infer.h b/infer.h
index 17ff22f..cd8530c 100644
--- a/infer.h
+++ b/infer.h
@@ -364,7 +364,6 @@ Type infer_map_generator(const std::vector<Type>& stack) {
 Type infer_expr(std::vector<Command>& commands, TypeRuntime& typer, bool allow_empty = false) {
 
     std::vector<Type> stack;
-    auto& vars = typer.vars;
 
     for (auto ci = commands.begin(); ci != commands.end(); ++ci) {
         Command& c = *ci;