foo.cc: In function 'int main()':
foo.cc:22:17: error: 'defa' was not declared in this scope
   22 |                 defa
      |                 ^~~~
foo.cc:22:21: error: expected '}' at end of input
   22 |                 defa
      |                     ^
foo.cc:8:9: note: to match this '{'
    8 |         {
      |         ^
foo.cc:22:21: error: expected '}' at end of input
   22 |                 defa
      |                     ^
foo.cc:4:1: note: to match this '{'
    4 | {
      | ^

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