Tweak obligation error output - #68377

Merged

bors merged 23 commits into

rust-lang:masterfrom

estebank:fn-obligations-spans

Feb 4, 2020

Commits on Feb 2, 2020

Point at arguments or output when fn obligations come from them, or ident when they don't
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fca5c64
Point at `Sized` bound
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1c9242f
When object unsafe trait uses itself in associated item suggest using `Self`
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d72bcdb
fix test
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0eb29d1
review comments
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d137b7a
Tweak `Self: Sized` restriction diagnostic output
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4b2f1db
Point at the `Sized` obligation in `where` clauses
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972ae5a
Point at return type obligations instead of at `fn` ident
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8d48597
Use more accurate failed predicate spans
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6870f79
Slight rewording of diagnostic message
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144e259
Remove duplicated code
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132921b
review comments
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06fea92
Point at `Sized` requirements
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3ca1c5d
Wording changes to object unsafe trait errors
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413bfa4
Use more appropriate spans on object unsafe traits and provide structured suggestions when possible
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a52ec87
add tests for structured suggestion
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542130b
Suggest `?Sized` on type parameters
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cb6dfea
Remove duplicated code
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d216b73
Account for `?Sized` type parameter bounds
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342db71
fix rebase
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16d935e
Point at reason in object unsafe trait with `Self` in supertraits or `where`-clause
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865216b
Deal with spans showing `std` lib
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b9c125a

Commits on Feb 3, 2020

Change wording for object unsafe because of assoc const
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0e58411