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    \$\begingroup\$ Shave off a byte by changing g(f x) to g$f x \$\endgroup\$ Commented Aug 27, 2017 at 1:21
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    \$\begingroup\$ @ApproachingDarknessFish That doesn't work because + has higher precedence than $ \$\endgroup\$ Commented Aug 27, 2017 at 1:36
  • \$\begingroup\$ Ah, my bad. Funny that I've never run into that error before. \$\endgroup\$ Commented Aug 27, 2017 at 1:43