Oregu

(ns musher.fib-num
  (:refer-clojure :exclude [==])
  (:use     [clojure.core.logic]
            [musher.numbers]))

(defn noo [tag u]
  (predc u (fn [x] (clojure.core/not= (if (coll? x) (first x) x) tag))))
(defn symbolo [x] (predc x symbol?))

(declare eval-expo)

Oregu

(ns musher.core
  (:refer-clojure :exclude [==])
  (:use     [clojure.core.logic]
            [clojure.pprint]))

(defn noo [tag u]
  (predc u (fn [x] (clojure.core/not= (if (coll? x) (first x) x) tag))))
(defn symbolo [x] (predc x symbol?))
(defn numbero [x] (predc x number?))

Oregu

/////////////////////////////////////////////////////
//
//     Moved to repository:
//       https://github.com/Oregu/_.java
//
/////////////////////////////////////////////////////

import java.util.function.BiFunction;
import java.util.function.Function;

Oregu

Map<String, List<Field>> fieldmap = new HashMap<>();
fieldmap.put("f1", Arrays.asList(new Field("f_str"), new Field("f_abc")));
fieldmap.put("f2", Arrays.asList(new Field("f_int")));

// This is the best I came up with
List<String> names = fieldmap.values().stream().collect(
                ArrayList<String>::new,
                (l, fs) -> l.addAll(fs.stream().map(Field::getName).collect(toList())),
                ArrayList<String>::addAll);