cannot：不可能、不能 appear：出现 in：在...之中 a：一个，任一个；后面接单数名词 constant-expression：[计算计语言]常数表达式;字面意思是：“A”（这个字母）不能出现在常数表达式中。
Leading '.' or '!' cannot appear in a constant expression 'Let' and 'Set' assignment statements are no longer supported 'Lib' expected Line continuation character '_' must be preceded by at least one white space and must be the last character on the line Line is too long 'Line' s...
中间case 里有个问题，一个=是赋值 当然，关键是 case 后面一个是一种值吧 你这个 有 if else 就可以
'rec' cannot appear in a constant-expression ? I have the following definitions: 123 ... string rec[6]; list<rec> musicList; ...Aug 4, 2014 at 11:05am Lachlan Easton (699) list (I'm assuming it's a std::list) expects a typename for its (first) template parameter. You're ...
My question has to do with my inherited class (I named it Cookies). This is just when I'm trying to get the random number of cookies. I'm getting a message that says "int rand() cannot appear in a constant expression" along with a few other messages (line 87) which I'm not sur...
Leading '.' or '!' cannot appear in a constant expression 'Let' and 'Set' assignment statements are no longer supported 'Lib' expected Line continuation character '_' must be preceded by at least one white space and must be the last character on the line Line is too long 'Line' statem...
Leading '.' or '!' cannot appear in a constant expression 'Let' and 'Set' assignment statements are no longer supported 'Lib' expected Line continuation character '_' must be preceded by at least one white space and must be the last character on the line Line is too long 'Line' state...
in instantiation of function template specialization 'cuco::test_cuco<long, long>' requested here cuco::test_cuco<int64_t,int64_t>(); ^ <source>:21:33: note: function parameter 'map' with unknown value cannot be used in a constant expression auto constexpr cg_size =map.cg_size(); ^...
Error (10742): Verilog HDL error at axis_thrower.sv(6): constant expression cannot contain a hierarchical identifier This should not be the case. With both Vivado and Verilator, the expression is allowed because their compilers deduce what is obviously constant at compile...
I have attached a Quartus archive of an example project. You should be able to see it creates the error message: Error (10742): Verilog HDL error at axis_thrower.sv(6): constant expression cannot contain a hierarchical identifier This should not be the ca...