/in/foo.cs(2,0): error CS1024: Wrong preprocessor directive
/in/foo.cs(2,6): error CS1525: Unexpected symbol `namespace', expecting `identifier' or `static'
/in/foo.cs(2,19): error CS1525: Unexpected symbol `;', expecting `identifier' or `static'
/in/foo.cs(3,6): error CS1514: Unexpected symbol `struct', expecting `.' or `{'
/in/foo.cs(5,9): error CS1519: Unexpected symbol `[' in class, struct, or interface member declaration
/in/foo.cs(5,10): warning CS0658: `value' is invalid attribute target. All attributes in this attribute section will be ignored
/in/foo.cs(6,1): error CS1519: An attribute is missing member declaration
/in/foo.cs(6,1): error CS1525: Unexpected symbol `a'
Compilation failed: 7 error(s), 1 warnings