Created
October 8, 2013 22:59
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School domain homework for Flatiron School day 12
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| class School | |
| attr_reader :name, :roster | |
| def initialize(name) | |
| @roster = {} | |
| @name = name | |
| end | |
| def add_student(name, grade) | |
| self.roster[grade] ||= [] | |
| self.roster[grade] << name | |
| end | |
| def grade(num) | |
| self.roster[num] | |
| end | |
| def sort | |
| arr = self.roster.sort_by {|grade| grade} | |
| arr.inject({}) do |grade, students| | |
| grade[students.first] = students.last.sort | |
| grade | |
| end | |
| end | |
| end |
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