vc的还可以

1>E:\code\testconsole\testconsole.cpp(22,9): error C7601: the associated constraints are not satisfied
1>E:\code\testconsole\testconsole.cpp(20,1): message : the concept 'IsBoolean<int>' evaluated to false
1>E:\code\testconsole\testconsole.cpp(17,21): message : the constraint was not satisfied


【 在 z16166 的大作中提到: 】
: gcc的感觉可以，msvc的不太好
: happy@UOS-128G:~$ /opt/cross/bin/x86_64-linux-musl-g++ -static -std=c++20 1.cpp
: 1.cpp: In function ‘auto [requires ::IsBoolean<<placeholder>, >] myFunction()’:
: ...................
--
FROM 223.240.212.*