Panic on unterminated array expression
Hello,
On latest master (63d1bf76) I accidentally didn't close an array expression that cause a panic. Here is a minimal example that will cause a panic:
michel:~/git/ion# target/debug/ion
michel:~/git/ion# let a = [
thread 'main' panicked at 'ion: fatal error with syntax validation: unterminated array expression', src/lib/expansion/words/mod.rs:241:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace