What Is The Difference Between Nil And False In Ruby?
What Is The Difference Between Nil And False In Ruby?
The main differences between nil
and false
in Ruby are:
nil
represents the absence of a value, while false
is a boolean value representing falsehood[1][2][3].nil
is an object of the NilClass
, while false
is an object of the FalseClass
[1][2][3].nil
is treated as false
, but nil
is not strictly equal to false
because they are different classes[1][2][3].false
and nil
are considered "truthy" and evaluate to true
in a boolean context[4][5].nil
using the nil?
method, which returns true
for nil
and false
for all o...junior
Gợi ý câu hỏi phỏng vấn
Chưa có bình luận nào