T-31 Alias [] for new (#27)

marian13 · Mar 5, 2020 · 56fd14a · 56fd14a
1 parent d2a607c
commit 56fd14a
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 0 deletions.
diff --git a/lib/basic_temperature.rb b/lib/basic_temperature.rb
@@ -22,6 +22,10 @@ class InvalidNumericOrTemperatureError < StandardError; end
 
   attr_reader :degrees, :scale
 
+  class << self
+    alias [] new
+  end
+
   def initialize(*positional_arguments, **keyword_arguments)
     assert_either_positional_arguments_or_keyword_arguments!(positional_arguments, keyword_arguments)
 

diff --git a/spec/basic_temperature_spec.rb b/spec/basic_temperature_spec.rb
@@ -103,6 +103,12 @@
     end
   end
 
+  describe '.[]' do
+    it 'is an alias of .new' do
+      Temperature.method(:[]) == Temperature.method(:new)
+    end
+  end
+
   describe '#to_celsius' do
     context 'when temperature scale is celsius' do
       it 'returns temperature in celsius' do