Panic on ```[{]}```
Reproduction
echo {[}]
or echo [{]}
Expected behaviour
A syntax error (e.g. echo ({)}
yields ion: syntax error: '(' at position 6 is out of place
)
Actual behaviour
thread 'main' panicked at 'ion: fatal error with syntax validation: unterminated brace'
System
Arch linux;
ion commit: e7f5a8