Initial upload

julia/binary-search/binary-search.jl

@@ -0,0 +1,14 @@
+function binarysearch(haystack, needle)
+    lo, hi = 1, length(haystack)
+    while lo <= hi
+        idx = Int(floor((hi + lo  ) / 2))  
+        if needle > haystack[idx]
+            lo = idx + 1
+        elseif needle < haystack[idx]
+            hi = idx - 1
+        else 
+            return idx:idx
+        end
+    end
+    lo:hi
+end