compiler-warning-level-2-c4094.md

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Learn more about: Compiler Warning (level 2) C4094	Compiler Warning (level 2) C4094	11/04/2016	C4094	C4094	e68929fb-3a1c-4be7-920b-d5f79f534f99

Compiler Warning (level 2) C4094

untagged 'token' declared no symbols

The compiler detected an empty declaration using an untagged structure, union, or class. The declaration is ignored.

Example

// C4094.cpp
// compile with: /W2
struct
{
};   // C4094

int main()
{
}

This condition generates an error under ANSI compatibility (/Za).