Implement `impl Trait` in argument position (RFC1951, Universal quantification)#45918

Merged

bors merged 28 commits intorust-lang:masterfrom

chrisvittal:impl-trait-pr

Nov 16, 2017

Commits on Nov 15, 2017

Move E0562 to librustc from librustc_typeck
chrisvittal
committed
Split hir::TyImplTrait, move checks to HIR lowering
chrisvittal
committed
Add bool item is_in_impl_trait to LoweringContext
chrisvittal
committed
Alter type collection to collect impl Trait bounds
chrisvittal
committed
Add collection of impl Trait argument lifetimes
chrisvittal
committed
Add new error comparision to hide desugaring
chrisvittal
committed
Add universal_impl_trait feature gate
chrisvittal
committed
Add/Modify tests for argument position impl Trait
chrisvittal
committed
Fix style and grammar
chrisvittal
committed
Remove unamed parameters
chrisvittal
committed
Fix unclosed delimiter in sample error
chrisvittal
committed
Add universal_impl_trait unstable-book entry
chrisvittal
committed
test we reject equivalent signatures with more than one argument

nikomatsakis
authored and
chrisvittal
committed
rename many-cases to where-allowed

nikomatsakis
authored and
chrisvittal
committed
extend `where-allowed.rs` with many more cases

nikomatsakis
authored and
chrisvittal
committed
rename `equality-universal` to a more extensible naming scheme

nikomatsakis
authored and
chrisvittal
committed
add some more positive tests

nikomatsakis
authored and
chrisvittal
committed
add a UI test showing the current output from an impl trait type

nikomatsakis
authored and
chrisvittal
committed
some tests featuring multiple bounds, other errors

nikomatsakis
authored and
chrisvittal
committed
Add proper names to impl Trait parameters.
chrisvittal
committed
Incorporate review feedback
chrisvittal
committed
Disallow all impl Trait within Fn trait sugar
chrisvittal
committed
Add/Fix stderr references for impl Trait ui tests
chrisvittal
committed
Add cases to where-allowed.rs
chrisvittal
committed
Renumber error to fix tidy
chrisvittal
committed
Remove Fn trait + impl Trait rustdoc tests
chrisvittal
committed
add a new test featuring two impl traits to show what it looks like

nikomatsakis
authored and
chrisvittal
committed
Change clippy to broken after hir::Ty enum change
chrisvittal
committed

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Implement `impl Trait` in argument position (RFC1951, Universal quantification)#45918

Commits on Nov 15, 2017

Move E0562 to librustc from librustc_typeck

Split hir::TyImplTrait, move checks to HIR lowering

Add bool item is_in_impl_trait to LoweringContext

Alter type collection to collect impl Trait bounds

Add collection of impl Trait argument lifetimes

Add new error comparision to hide desugaring

Add universal_impl_trait feature gate

Add/Modify tests for argument position impl Trait

Fix style and grammar

Remove unamed parameters

Fix unclosed delimiter in sample error

Add universal_impl_trait unstable-book entry

test we reject equivalent signatures with more than one argument

rename many-cases to where-allowed

extend `where-allowed.rs` with many more cases

rename `equality-universal` to a more extensible naming scheme

add some more positive tests

add a UI test showing the current output from an impl trait type

some tests featuring multiple bounds, other errors

Add proper names to impl Trait parameters.

Incorporate review feedback

Disallow all impl Trait within Fn trait sugar

Add/Fix stderr references for impl Trait ui tests

Add cases to where-allowed.rs

Renumber error to fix tidy

Remove Fn trait + impl Trait rustdoc tests

add a new test featuring two impl traits to show what it looks like

Change clippy to broken after hir::Ty enum change