Investigate 'strong mode'

[StoneCypher]

Thanks for reminding me, @dmarr

[marr]

https://docs.google.com/document/d/1Qk0qC4s_XNCLemj42FqfsRLp49nDQMZ1y7fwf5YjaI4/edit?usp=sharing

[StoneCypher]

s/@dmarr/@marr/g

[jtremback]

Wow, throwing on a nonexistent key instead of returning undefined sounds like a huge pain to program with. The rest of it seems ok, if it actually leads to faster code.

[StoneCypher]

Sounds like a much smaller pain to me than the alternative, but to each their own on opinion terms