On 01/-10/-28163 01:59 PM, 88888 Dihedral wrote:
If you're working in C++ and overload your operators so that 'a +='
and 'a = + b' have different observable behaviors (besides perhaps
time), then either your implementation is buggy or your design is very
bad-mannered.
Evan
Do you mean the result instances after 'a+= and 'a=a+b' or
the actions of behaviors of instances involved in performing 'a+= and 'a=a+b'?
I mean "if which operation you called is distinguishable in any way
besides the time it takes to run or by tracing it through in a debugger"
That means:
1. The value of 'a' should be the same after executing 'a+=b' and
'a=a+b'
2. The actual result of the expression should be the same in both cases
(in both cases it should be a reference to a)
3. Any additional side effects performed (ew!) should be the same in
both cases
Evan
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