Tom*_*Tom 33 ruby inheritance class constants
鉴于此代码:
class A
CONST = 'A'
def initialize
puts CONST
end
end
class B < A
CONST = 'B'
end
A.new # => 'A'
B.new # => 'A'
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我想B使用这个CONST = 'B'定义,但我不知道如何.有任何想法吗?
问候
汤姆
Kon*_*ase 75
class A
CONST = 'A'
def initialize
puts self.class::CONST
end
end
class B < A
CONST = 'B'
end
A.new # => 'A'
B.new # => 'B'
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