[Work in Progress] Clarify error for opaque type in async functions#82135

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nellshamrell wants to merge 3 commits intorust-lang:masterfrom

nellshamrell:nellshamrell/fix-80658

Commits on Jan 11, 2021

adds a small clarification for when an async function's output is opaque
nellshamrell
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Commits on Jan 19, 2021

slight clarification to error message
nellshamrell
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Commits on Feb 15, 2021

work in progress
nellshamrell
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