simple arrays

inspect.lua

@@ -7,8 +7,32 @@
 
 -- public function
 
+local bufferMethods = {
+  add = function(self, ...)
+    local args = {...}
+    for i=1, #args do
+      table.insert(self.data, tostring(args[i]))
+    end
+    return self
+  end
+}
+
+local function newBuffer()
+  return setmetatable( { data = {} }, { 
+    __index = bufferMethods,
+    __tostring = function(self) return table.concat(self.data) end
+  } )
+end
+
 local function inspect(t)
-  return ""
+  local buffer = newBuffer()
+  buffer:add('{')
+  for i=1, #t do
+    if i > 1 then buffer:add(', ') end
+    buffer:add(tostring(t[i]))
+  end
+  buffer:add('}')
+  return tostring(buffer)
 end
 
 return inspect

spec/inspect_spec.lua

@@ -2,8 +2,8 @@ local inspect = require 'inspect'
 
 context( 'inspect', function()
 
-  test('Should work with simple arrays', function()
-    assert_equal(inspect( {1,2,3}
+  test('Should work with simple array-like tables', function()
+    assert_equal(inspect({1,2,3}), "{1, 2, 3}" )
   end)
 
 end)