function _promap(f, g, profunctor) {
    return function (x) {
      return g(profunctor(f(x)));
    };
  }
Reasonable analog to SQL `select` statement.

@func
@memberOf R
@since v0.1.0
@category Object
@category Relation
@sig [k] -> [{k: v}] -> [{k: v}]
@param {Array} props The property names to project
@param {Array} objs The objects to query
@return {Array} An array of objects with just the `props` properties.
@see R.pluck, R.props, R.prop
@example

     const abby = {name: 'Abby', age: 7, hair: 'blond', grade: 2};
     const fred = {name: 'Fred', age: 12, hair: 'brown', grade: 7};
     const kids = [abby, fred];
     R.project(['name', 'grade'], kids); //=> [{name: 'Abby', grade: 2}, {name: 'Fred', grade: 7}]