Created
July 5, 2010 19:09
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| module B | |
| def a | |
| "a" | |
| end | |
| end | |
| B.a #=> undefined method | |
| module B | |
| class << self | |
| def a | |
| "a" | |
| end | |
| end | |
| end | |
| B.a #==> "a" | |
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other way to make B.a work
module B
extend self
def a
"a"
end
end