overload-bracket | Overloading square bracket operator in javascript | Runtime Evironment library
kandi X-RAY | overload-bracket Summary
kandi X-RAY | overload-bracket Summary
Overloading square bracket operator [] in javascript and other array methods to any object with container using es6 proxy.
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QUESTION
How can I overload the operators of a class, so that using syntax of
...ANSWER
Answered 2019-Jan-21 at 15:10You can use a proxy class to solve this. Since value
can't be passed into classInstance
we need to make an object that operator[]
can return that will get the value of value
and knows which instance to apply the operation to. Using
QUESTION
I don't know how to overload the square brackets operator "[]" that it will both input and output which means I will be able to:
...ANSWER
Answered 2018-May-05 at 21:40The answer is all thanks to HolyBlackCat!
The overriding function of the square brackets ("[]") will return a reference like this:
QUESTION
I have a project that wants me to make a BigNum class in c++ (university project) and it said to overload operator bracket for get and set but the problem is if the set was invalid we should throw an exception the invalid is like
...ANSWER
Answered 2017-Mar-23 at 13:28You can define a wapper, say NumWapper
, which wraps a reference of BigNum's element. The operator=
of BigNum returns the wrapper by value.
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