Class: Fixnum

Inherits:
Object show all
Defined in:
lib/open_classes/fixnum/to_fixnum_table.rb,
lib/open_classes/fixnum/to_fixnum_html_table.rb

Overview

Fixnum

Class Method Summary collapse

Class Method Details

.to_fixnum_html_table(from = 1, to = 100, return_num = 10) ⇒ Object

return value is fixnum table

Examples

1 to 30 by 10 case

Fixnum.to_fixnum_table(1, 30, 10)

result

<table>
  <tr>
    <td>1</td>
    <td>2</td>
    <td>3</td>
    <td>4</td>
    <td>5</td>
    <td>6</td>
    <td>7</td>
    <td>8</td>
    <td>9</td>
    <td>10</td>
  </tr>
  <tr>
    <td>11</td>
    <td>12</td>
    <td>13</td>
    <td>14</td>
    <td>15</td>
    <td>16</td>
    <td>17</td>
    <td>18</td>
    <td>19</td>
    <td>20</td>
  </tr>
  <tr>
    <td>21</td>
    <td>22</td>
    <td>23</td>
    <td>24</td>
    <td>25</td>
    <td>26</td>
    <td>27</td>
    <td>28</td>
    <td>29</td>
    <td>30</td>
  </tr>
</table>

1 to 10 by 2 case

Fixnum.to_fixnum_table(1, 10, 2)

result

<table>
  <tr>
    <td>1</td>
    <td>2</td>
  </tr>
  <tr>
    <td>3</td>
    <td>4</td>
  </tr>
  <tr>
    <td>5</td>
    <td>6</td>
  </tr>
  <tr>
    <td>7</td>
    <td>8</td>
  </tr>
  <tr>
    <td>9</td>
    <td>10</td>
  </tr>
</table>



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# File 'lib/open_classes/fixnum/to_fixnum_html_table.rb', line 84

def self.to_fixnum_html_table(from = 1, to = 100, return_num = 10)
  return '' unless from.is_a?(Fixnum)
  return '' unless to.is_a?(Fixnum)
  table_contents = [*from..to].each_slice(return_num).to_a.reduce([]) do |rets, row|
    rets << '  <tr>'
    rets << row.reduce([]) do |ret, column|
      ret << "    <td>#{column}</td>"
      ret
    end.join("\n")
    rets << '  </tr>'
    rets
  end.join("\n")
  "<table>\n" + table_contents + "\n</table>\n"
end

.to_fixnum_table(from = 1, to = 100, return_num = 10) ⇒ Object

return value is fixnum table

Examples

1 to 100 by 10 case

Fixnum.to_fixnum_table(1, 100, 10)

result

| 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|
|11|12|13|14|15|16|17|18|19| 20|
|21|22|23|24|25|26|27|28|29| 30|
|31|32|33|34|35|36|37|38|39| 40|
|41|42|43|44|45|46|47|48|49| 50|
|51|52|53|54|55|56|57|58|59| 60|
|61|62|63|64|65|66|67|68|69| 70|
|71|72|73|74|75|76|77|78|79| 80|
|81|82|83|84|85|86|87|88|89| 90|
|91|92|93|94|95|96|97|98|99|100|

1 to 10 by 2 case

Fixnum.to_fixnum_table(1, 10, 2)

result

|1| 2|
|3| 4|
|5| 6|
|7| 8|
|9|10|



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# File 'lib/open_classes/fixnum/to_fixnum_table.rb', line 39

def self.to_fixnum_table(from = 1, to = 100, return_num = 10)
  return '' unless from.is_a?(Fixnum)
  return '' unless to.is_a?(Fixnum)
  [*from..to].each_slice(return_num).to_a.to_table
end