tour: good place to mention that "} else {" must occur on one line #1481
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crisman
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May 13, 2023
Many users of the Go Tour trip over using else after a newline which
generates a syntax error that is hard to understand unless the reader is
primed to think about a newline before the else. "tour/flowcontrol/7"
("If and else") the slide that first talks about else seems the right place
to update.
Add statement about required location of else after if block, provide an
invalid else code example mirroring the slide's program, and provide links
to the language spec for details.
Fixes golang/tour#1481
Fixes golang/tour#1427
Fixes golang/tour#1062
Fixes golang/tour#442
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Context: https://go.dev/tour/flowcontrol/7
This caused some confusion for me, an experienced programmer learning Go by the tutorial. Seems like hereabouts is a spectacular place to remind the reader that the Go compiler appends semicolons to lines ending in "}" or ")".
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