Use none? rather than not empty?

diff --git a/euler32.ipynb b/euler32.ipynb
index 4ce86d6eb708a86539bc5ffb5750b906f6d40502..f3879f731308e9f67ce830fa041fc31b65ff6a1a 100644 (file)
--- a/euler32.ipynb
+++ b/euler32.ipynb
@@ -47,7 +47,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 42,
+   "execution_count": 88,
    "metadata": {
     "collapsed": false
    },
@@ -58,7 +58,7 @@
        ":full_subbags"
       ]
      },
-     "execution_count": 42,
+     "execution_count": 88,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -82,7 +82,7 @@
     "  \n",
     "  def full_subbags(n)\n",
     "    return enum_for(:full_subbags, n) unless block_given?\n",
-    "    self.subbags(n).select {|bags| bags.all? {|b| !b.empty?}}.each do |bs|\n",
+    "    self.subbags(n).select {|bags| bags.none? {|b| b.empty?}}.each do |bs|\n",
     "      yield bs\n",
     "    end\n",
     "  end\n",
@@ -91,7 +91,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 89,
    "metadata": {
     "collapsed": false
    },
@@ -110,7 +110,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 90,
    "metadata": {
     "collapsed": false
    },
@@ -121,7 +121,7 @@
        "[[[1, 2, 3]]]"
       ]
      },
-     "execution_count": 35,
+     "execution_count": 90,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -132,7 +132,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 91,
    "metadata": {
     "collapsed": false
    },
@@ -157,7 +157,7 @@
        "0..3"
       ]
      },
-     "execution_count": 36,
+     "execution_count": 91,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -168,7 +168,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 92,
    "metadata": {
     "collapsed": false
    },
@@ -179,7 +179,7 @@
        "[[[], [1, 2, 3]], [[1], [2, 3]], [[2], [1, 3]], [[3], [1, 2]], [[1, 2], [3]], [[1, 3], [2]], [[2, 3], [1]], [[1, 2, 3], []]]"
       ]
      },
-     "execution_count": 37,
+     "execution_count": 92,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -190,7 +190,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": 93,
    "metadata": {
     "collapsed": false
    },
@@ -201,7 +201,7 @@
        "8"
       ]
      },
-     "execution_count": 38,
+     "execution_count": 93,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -212,7 +212,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 94,
    "metadata": {
     "collapsed": false
    },
@@ -223,7 +223,7 @@
        "[[[], [], [1, 2, 3]], [[], [1], [2, 3]], [[], [2], [1, 3]], [[], [3], [1, 2]], [[], [1, 2], [3]], [[], [1, 3], [2]], [[], [2, 3], [1]], [[], [1, 2, 3], []], [[1], [], [2, 3]], [[1], [2], [3]], [[1], [3], [2]], [[1], [2, 3], []], [[2], [], [1, 3]], [[2], [1], [3]], [[2], [3], [1]], [[2], [1, 3], []], [[3], [], [1, 2]], [[3], [1], [2]], [[3], [2], [1]], [[3], [1, 2], []], [[1, 2], [], [3]], [[1, 2], [3], []], [[1, 3], [], [2]], [[1, 3], [2], []], [[2, 3], [], [1]], [[2, 3], [1], []], [[1, 2, 3], [], []]]"
       ]
      },
-     "execution_count": 39,
+     "execution_count": 94,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -234,7 +234,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 40,
+   "execution_count": 95,
    "metadata": {
     "collapsed": false
    },
@@ -245,7 +245,7 @@
        "27"
       ]
      },
-     "execution_count": 40,
+     "execution_count": 95,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -256,7 +256,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 96,
    "metadata": {
     "collapsed": false
    },
@@ -281,7 +281,7 @@
        "0..3"
       ]
      },
-     "execution_count": 41,
+     "execution_count": 96,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -296,7 +296,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 46,
+   "execution_count": 97,
    "metadata": {
     "collapsed": false
    },
@@ -307,7 +307,7 @@
        "[[[1], [2], [3, 4]], [[1], [3], [2, 4]], [[1], [4], [2, 3]], [[1], [2, 3], [4]], [[1], [2, 4], [3]], [[1], [3, 4], [2]], [[2], [1], [3, 4]], [[2], [3], [1, 4]], [[2], [4], [1, 3]], [[2], [1, 3], [4]], [[2], [1, 4], [3]], [[2], [3, 4], [1]], [[3], [1], [2, 4]], [[3], [2], [1, 4]], [[3], [4], [1, 2]], [[3], [1, 2], [4]], [[3], [1, 4], [2]], [[3], [2, 4], [1]], [[4], [1], [2, 3]], [[4], [2], [1, 3]], [[4], [3], [1, 2]], [[4], [1, 2], [3]], [[4], [1, 3], [2]], [[4], [2, 3], [1]], [[1, 2], [3], [4]], [[1, 2], [4], [3]], [[1, 3], [2], [4]], [[1, 3], [4], [2]], [[1, 4], [2], [3]], [[1, 4], [3], [2]], [[2, 3], [1], [4]], [[2, 3], [4], [1]], [[2, 4], [1], [3]], [[2, 4], [3], [1]], [[3, 4], [1], [2]], [[3, 4], [2], [1]]]"
       ]
      },
-     "execution_count": 46,
+     "execution_count": 97,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -318,7 +318,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 47,
+   "execution_count": 98,
    "metadata": {
     "collapsed": false
    },
@@ -329,7 +329,7 @@
        "18150"
       ]
      },
-     "execution_count": 47,
+     "execution_count": 98,
      "metadata": {},
      "output_type": "execute_result"
     }