Or: 0x2A * 10e6; The solution is clearly to have language tooling with a find-constant tool which you give an expression and it parses all declarations in t

Or: 0x2A * 10e6; The solution is clearly to have language tooling with a find-constant tool which you give an expression and it parses all declarations in the source code looking for one which evaluates at compile time to the provided expression.