module Utl
A small utility module
Constants
- Letters
An array with some letters in it and a place holder at zero.
Public Class Methods
channel_to_name(channel)
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Convert a channel number to its name.
Parameters
-
channel - the channel number (1..26),
Returns
-
The channel letter.
# File lib/connect_n_game/util.rb, line 22 def self.channel_to_name(channel) Letters[channel] end
name_to_channel(letter)
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Convert a channel name to its number.
Parameters
-
letter - the letter that was played.
Returns
-
The channel number (1..26) or nil if invalid.
# File lib/connect_n_game/util.rb, line 13 def self.name_to_channel(letter) Letters.find_index(letter[0].upcase) end