问题描述
The title of the question is self explanatory. I wonder if a member that is declared const
is singleton for all instances of the class or each instance has it's own copy.
I've read some questions about const
but most of them refer to const
variables inside a method.
Constants are usually something that can be evaluated compile time and compiler is likely to replace it with the evaluated value.
Also Const
means static
(see link below)
A constant expression is an expression that can be fully evaluated at compile time. Therefore, the only possible values for constants of reference types are string and null.
Source:
C# static and const variables memory
Memory allocation for const in C#
C# do const fields use less memory?
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