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Auto merge of #42383 - estebank:candidate-newline, r=arielb1

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Use multiline note for trait suggestion
This commit is contained in:
bors 2017-06-05 13:07:38 +00:00
commit 13eb0ec9f1
11 changed files with 426 additions and 169 deletions
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57
src/librustc_typeck/check/method/suggest.rs
View File

@ -242,7 +242,7 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
macro_rules! report_function {
($span:expr, $name:expr) => {
err.note(&format!("{} is a function, perhaps you wish to call it",
$name));
$name));
}
}
@ -329,9 +329,9 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
let mut candidates = valid_out_of_scope_traits;
candidates.sort();
candidates.dedup();
let msg = format!("items from traits can only be used if the trait is in scope; the \
following {traits_are} implemented but not in scope, perhaps add \
a `use` for {one_of_them}:",
err.help("items from traits can only be used if the trait is in scope");
let mut msg = format!("the following {traits_are} implemented but not in scope, \
perhaps add a `use` for {one_of_them}:",
traits_are = if candidates.len() == 1 {
"trait is"
} else {
@ -343,17 +343,17 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
"one of them"
});
err.help(&msg[..]);
let limit = if candidates.len() == 5 { 5 } else { 4 };
for (i, trait_did) in candidates.iter().take(limit).enumerate() {
err.help(&format!("candidate #{}: `use {};`",
i + 1,
self.tcx.item_path_str(*trait_did)));
msg.push_str(&format!("\ncandidate #{}: `use {};`",
i + 1,
self.tcx.item_path_str(*trait_did)));
}
if candidates.len() > limit {
err.note(&format!("and {} others", candidates.len() - limit));
msg.push_str(&format!("\nand {} others", candidates.len() - limit));
}
err.note(&msg[..]);
return;
}
@ -383,28 +383,27 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
// FIXME #21673 this help message could be tuned to the case
// of a type parameter: suggest adding a trait bound rather
// than implementing.
let msg = format!("items from traits can only be used if the trait is implemented \
and in scope; the following {traits_define} an item `{name}`, \
perhaps you need to implement {one_of_them}:",
traits_define = if candidates.len() == 1 {
"trait defines"
} else {
"traits define"
},
one_of_them = if candidates.len() == 1 {
"it"
} else {
"one of them"
},
name = item_name);
err.help(&msg[..]);
err.help("items from traits can only be used if the trait is implemented and in scope");
let mut msg = format!("the following {traits_define} an item `{name}`, \
perhaps you need to implement {one_of_them}:",
traits_define = if candidates.len() == 1 {
"trait defines"
} else {
"traits define"
},
one_of_them = if candidates.len() == 1 {
"it"
} else {
"one of them"
},
name = item_name);
for (i, trait_info) in candidates.iter().enumerate() {
err.help(&format!("candidate #{}: `{}`",
i + 1,
self.tcx.item_path_str(trait_info.def_id)));
msg.push_str(&format!("\ncandidate #{}: `{}`",
i + 1,
self.tcx.item_path_str(trait_info.def_id)));
}
err.note(&msg[..]);
}
}

1
src/test/compile-fail/method-call-err-msg.rs
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@ -33,5 +33,6 @@ fn main() {
y.zero()
.take() //~ ERROR no method named `take` found for type `Foo` in the current scope
//~^ NOTE the method `take` exists but the following trait bounds were not satisfied
//~| NOTE the following traits define an item `take`, perhaps you need to implement one of them
.one(0);
}

134
src/test/compile-fail/no-method-suggested-traits.rs
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@ -1,134 +0,0 @@
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// aux-build:no_method_suggested_traits.rs
extern crate no_method_suggested_traits;
struct Foo;
enum Bar { X }
mod foo {
pub trait Bar {
fn method(&self) {}
fn method2(&self) {}
}
impl Bar for u32 {}
impl Bar for char {}
}
fn main() {
// test the values themselves, and autoderef.
1u32.method();
//~^ HELP following traits are implemented but not in scope, perhaps add a `use` for one of them
//~^^ ERROR no method named
//~^^^ HELP `use foo::Bar;`
//~^^^^ HELP `use no_method_suggested_traits::foo::PubPub;`
std::rc::Rc::new(&mut Box::new(&1u32)).method();
//~^ HELP following traits are implemented but not in scope, perhaps add a `use` for one of them
//~^^ ERROR no method named
//~^^^ HELP `use foo::Bar;`
//~^^^^ HELP `use no_method_suggested_traits::foo::PubPub;`
'a'.method();
//~^ ERROR no method named
//~^^ HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~^^^ HELP `use foo::Bar;`
std::rc::Rc::new(&mut Box::new(&'a')).method();
//~^ ERROR no method named
//~^^ HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~^^^ HELP `use foo::Bar;`
1i32.method();
//~^ ERROR no method named
//~^^ HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~^^^ HELP `use no_method_suggested_traits::foo::PubPub;`
std::rc::Rc::new(&mut Box::new(&1i32)).method();
//~^ ERROR no method named
//~^^ HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~^^^ HELP `use no_method_suggested_traits::foo::PubPub;`
Foo.method();
//~^ ERROR no method named
//~^^ HELP following traits define an item `method`, perhaps you need to implement one of them
//~^^^ HELP `foo::Bar`
//~^^^^ HELP `no_method_suggested_traits::foo::PubPub`
//~^^^^^ HELP `no_method_suggested_traits::Reexported`
//~^^^^^^ HELP `no_method_suggested_traits::bar::PubPriv`
//~^^^^^^^ HELP `no_method_suggested_traits::qux::PrivPub`
//~^^^^^^^^ HELP `no_method_suggested_traits::quz::PrivPriv`
std::rc::Rc::new(&mut Box::new(&Foo)).method();
//~^ ERROR no method named
//~^^ HELP following traits define an item `method`, perhaps you need to implement one of them
//~^^^ HELP `foo::Bar`
//~^^^^ HELP `no_method_suggested_traits::foo::PubPub`
//~^^^^^ HELP `no_method_suggested_traits::Reexported`
//~^^^^^^ HELP `no_method_suggested_traits::bar::PubPriv`
//~^^^^^^^ HELP `no_method_suggested_traits::qux::PrivPub`
//~^^^^^^^^ HELP `no_method_suggested_traits::quz::PrivPriv`
1u64.method2();
//~^ ERROR no method named
//~^^ HELP the following trait defines an item `method2`, perhaps you need to implement it
//~^^^ HELP `foo::Bar`
std::rc::Rc::new(&mut Box::new(&1u64)).method2();
//~^ ERROR no method named
//~^^ HELP the following trait defines an item `method2`, perhaps you need to implement it
//~^^^ HELP `foo::Bar`
no_method_suggested_traits::Foo.method2();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method2`, perhaps you need to implement it
//~^^^ HELP `foo::Bar`
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Foo)).method2();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method2`, perhaps you need to implement it
//~^^^ HELP `foo::Bar`
no_method_suggested_traits::Bar::X.method2();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method2`, perhaps you need to implement it
//~^^^ HELP `foo::Bar`
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Bar::X)).method2();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method2`, perhaps you need to implement it
//~^^^ HELP `foo::Bar`
Foo.method3();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method3`, perhaps you need to implement it
//~^^^ HELP `no_method_suggested_traits::foo::PubPub`
std::rc::Rc::new(&mut Box::new(&Foo)).method3();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method3`, perhaps you need to implement it
//~^^^ HELP `no_method_suggested_traits::foo::PubPub`
Bar::X.method3();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method3`, perhaps you need to implement it
//~^^^ HELP `no_method_suggested_traits::foo::PubPub`
std::rc::Rc::new(&mut Box::new(&Bar::X)).method3();
//~^ ERROR no method named
//~^^ HELP following trait defines an item `method3`, perhaps you need to implement it
//~^^^ HELP `no_method_suggested_traits::foo::PubPub`
// should have no help:
1_usize.method3(); //~ ERROR no method named
std::rc::Rc::new(&mut Box::new(&1_usize)).method3(); //~ ERROR no method named
no_method_suggested_traits::Foo.method3(); //~ ERROR no method named
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Foo)).method3();
//~^ ERROR no method named
no_method_suggested_traits::Bar::X.method3(); //~ ERROR no method named
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Bar::X)).method3();
//~^ ERROR no method named
}

0
src/test/compile-fail/auxiliary/no_method_suggested_traits.rs → src/test/ui/impl-trait/auxiliary/no_method_suggested_traits.rs
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0
src/test/compile-fail/issue-21659-show-relevant-trait-impls-3.rs → src/test/ui/impl-trait/issue-21659-show-relevant-trait-impls-3.rs
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12
src/test/ui/impl-trait/issue-21659-show-relevant-trait-impls-3.stderr Normal file
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@ -0,0 +1,12 @@
error[E0599]: no method named `foo` found for type `Bar` in the current scope
--> $DIR/issue-21659-show-relevant-trait-impls-3.rs:30:8
|
30 | f1.foo(1usize);
| ^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `foo`, perhaps you need to implement it:
candidate #1: `Foo`
error: aborting due to previous error(s)

0
src/test/compile-fail/method-suggestion-no-duplication.rs → src/test/ui/impl-trait/method-suggestion-no-duplication.rs
View File

14
src/test/ui/impl-trait/method-suggestion-no-duplication.stderr Normal file
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@ -0,0 +1,14 @@
error[E0599]: no method named `is_empty` found for type `Foo` in the current scope
--> $DIR/method-suggestion-no-duplication.rs:19:15
|
19 | foo(|s| s.is_empty());
| ^^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following traits define an item `is_empty`, perhaps you need to implement one of them:
candidate #1: `std::iter::ExactSizeIterator`
candidate #2: `core::slice::SliceExt`
candidate #3: `core::str::StrExt`
error: aborting due to previous error(s)

133
src/test/ui/impl-trait/no-method-suggested-traits.rs Normal file
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@ -0,0 +1,133 @@
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// aux-build:no_method_suggested_traits.rs
extern crate no_method_suggested_traits;
struct Foo;
enum Bar { X }
mod foo {
pub trait Bar {
fn method(&self) {}
fn method2(&self) {}
}
impl Bar for u32 {}
impl Bar for char {}
}
fn main() {
// test the values themselves, and autoderef.
1u32.method();
//~^ HELP following traits are implemented but not in scope, perhaps add a `use` for one of them
//~| ERROR no method named
//~| HELP `use foo::Bar;`
//~| HELP `use no_method_suggested_traits::foo::PubPub;`
std::rc::Rc::new(&mut Box::new(&1u32)).method();
//~^ HELP following traits are implemented but not in scope, perhaps add a `use` for one of them
//~| ERROR no method named
//~| HELP `use foo::Bar;`
//~| HELP `use no_method_suggested_traits::foo::PubPub;`
'a'.method();
//~^ ERROR no method named
//~| HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~| HELP `use foo::Bar;`
std::rc::Rc::new(&mut Box::new(&'a')).method();
//~^ ERROR no method named
//~| HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~| HELP `use foo::Bar;`
1i32.method();
//~^ ERROR no method named
//~| HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~| HELP `use no_method_suggested_traits::foo::PubPub;`
std::rc::Rc::new(&mut Box::new(&1i32)).method();
//~^ ERROR no method named
//~| HELP the following trait is implemented but not in scope, perhaps add a `use` for it:
//~| HELP `use no_method_suggested_traits::foo::PubPub;`
Foo.method();
//~^ ERROR no method named
//~| HELP following traits define an item `method`, perhaps you need to implement one of them
//~| HELP `foo::Bar`
//~| HELP `no_method_suggested_traits::foo::PubPub`
//~| HELP `no_method_suggested_traits::Reexported`
//~| HELP `no_method_suggested_traits::bar::PubPriv`
//~| HELP `no_method_suggested_traits::qux::PrivPub`
//~| HELP `no_method_suggested_traits::quz::PrivPriv`
std::rc::Rc::new(&mut Box::new(&Foo)).method();
//~^ ERROR no method named
//~| HELP following traits define an item `method`, perhaps you need to implement one of them
//~| HELP `foo::Bar`
//~| HELP `no_method_suggested_traits::foo::PubPub`
//~| HELP `no_method_suggested_traits::Reexported`
//~| HELP `no_method_suggested_traits::bar::PubPriv`
//~| HELP `no_method_suggested_traits::qux::PrivPub`
//~| HELP `no_method_suggested_traits::quz::PrivPriv`
1u64.method2();
//~^ ERROR no method named
//~| HELP the following trait defines an item `method2`, perhaps you need to implement it
//~| HELP `foo::Bar`
std::rc::Rc::new(&mut Box::new(&1u64)).method2();
//~^ ERROR no method named
//~| HELP the following trait defines an item `method2`, perhaps you need to implement it
//~| HELP `foo::Bar`
no_method_suggested_traits::Foo.method2();
//~^ ERROR no method named
//~| HELP following trait defines an item `method2`, perhaps you need to implement it
//~| HELP `foo::Bar`
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Foo)).method2();
//~^ ERROR no method named
//~| HELP following trait defines an item `method2`, perhaps you need to implement it
//~| HELP `foo::Bar`
no_method_suggested_traits::Bar::X.method2();
//~^ ERROR no method named
//~| HELP following trait defines an item `method2`, perhaps you need to implement it
//~| HELP `foo::Bar`
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Bar::X)).method2();
//~^ ERROR no method named
//~| HELP following trait defines an item `method2`, perhaps you need to implement it
//~| HELP `foo::Bar`
Foo.method3();
//~^ ERROR no method named
//~| HELP following trait defines an item `method3`, perhaps you need to implement it
//~| HELP `no_method_suggested_traits::foo::PubPub`
std::rc::Rc::new(&mut Box::new(&Foo)).method3();
//~^ ERROR no method named
//~| HELP following trait defines an item `method3`, perhaps you need to implement it
//~| HELP `no_method_suggested_traits::foo::PubPub`
Bar::X.method3();
//~^ ERROR no method named
//~| HELP following trait defines an item `method3`, perhaps you need to implement it
//~| HELP `no_method_suggested_traits::foo::PubPub`
std::rc::Rc::new(&mut Box::new(&Bar::X)).method3();
//~^ ERROR no method named
//~| HELP following trait defines an item `method3`, perhaps you need to implement it
//~| HELP `no_method_suggested_traits::foo::PubPub`
// should have no help:
1_usize.method3(); //~ ERROR no method named
std::rc::Rc::new(&mut Box::new(&1_usize)).method3(); //~ ERROR no method named
no_method_suggested_traits::Foo.method3(); //~ ERROR no method named
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Foo)).method3();
//~^ ERROR no method named
no_method_suggested_traits::Bar::X.method3(); //~ ERROR no method named
std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Bar::X)).method3();
//~^ ERROR no method named
}

230
src/test/ui/impl-trait/no-method-suggested-traits.stderr Normal file
View File

@ -0,0 +1,230 @@
error[E0599]: no method named `method` found for type `u32` in the current scope
--> $DIR/no-method-suggested-traits.rs:33:10
|
33 | 1u32.method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is in scope
= note: the following traits are implemented but not in scope, perhaps add a `use` for one of them:
candidate #1: `use foo::Bar;`
candidate #2: `use no_method_suggested_traits::foo::PubPub;`
error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&u32>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:38:44
|
38 | std::rc::Rc::new(&mut Box::new(&1u32)).method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is in scope
= note: the following traits are implemented but not in scope, perhaps add a `use` for one of them:
candidate #1: `use foo::Bar;`
candidate #2: `use no_method_suggested_traits::foo::PubPub;`
error[E0599]: no method named `method` found for type `char` in the current scope
--> $DIR/no-method-suggested-traits.rs:44:9
|
44 | 'a'.method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is in scope
= note: the following trait is implemented but not in scope, perhaps add a `use` for it:
candidate #1: `use foo::Bar;`
error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&char>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:48:43
|
48 | std::rc::Rc::new(&mut Box::new(&'a')).method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is in scope
= note: the following trait is implemented but not in scope, perhaps add a `use` for it:
candidate #1: `use foo::Bar;`
error[E0599]: no method named `method` found for type `i32` in the current scope
--> $DIR/no-method-suggested-traits.rs:53:10
|
53 | 1i32.method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is in scope
= note: the following trait is implemented but not in scope, perhaps add a `use` for it:
candidate #1: `use no_method_suggested_traits::foo::PubPub;`
error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&i32>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:57:44
|
57 | std::rc::Rc::new(&mut Box::new(&1i32)).method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is in scope
= note: the following trait is implemented but not in scope, perhaps add a `use` for it:
candidate #1: `use no_method_suggested_traits::foo::PubPub;`
error[E0599]: no method named `method` found for type `Foo` in the current scope
--> $DIR/no-method-suggested-traits.rs:62:9
|
62 | Foo.method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following traits define an item `method`, perhaps you need to implement one of them:
candidate #1: `foo::Bar`
candidate #2: `no_method_suggested_traits::foo::PubPub`
candidate #3: `no_method_suggested_traits::bar::PubPriv`
candidate #4: `no_method_suggested_traits::qux::PrivPub`
candidate #5: `no_method_suggested_traits::quz::PrivPriv`
candidate #6: `no_method_suggested_traits::Reexported`
error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&Foo>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:71:43
|
71 | std::rc::Rc::new(&mut Box::new(&Foo)).method();
| ^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following traits define an item `method`, perhaps you need to implement one of them:
candidate #1: `foo::Bar`
candidate #2: `no_method_suggested_traits::foo::PubPub`
candidate #3: `no_method_suggested_traits::bar::PubPriv`
candidate #4: `no_method_suggested_traits::qux::PrivPub`
candidate #5: `no_method_suggested_traits::quz::PrivPriv`
candidate #6: `no_method_suggested_traits::Reexported`
error[E0599]: no method named `method2` found for type `u64` in the current scope
--> $DIR/no-method-suggested-traits.rs:81:10
|
81 | 1u64.method2();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method2`, perhaps you need to implement it:
candidate #1: `foo::Bar`
error[E0599]: no method named `method2` found for type `std::rc::Rc<&mut std::boxed::Box<&u64>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:85:44
|
85 | std::rc::Rc::new(&mut Box::new(&1u64)).method2();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method2`, perhaps you need to implement it:
candidate #1: `foo::Bar`
error[E0599]: no method named `method2` found for type `no_method_suggested_traits::Foo` in the current scope
--> $DIR/no-method-suggested-traits.rs:90:37
|
90 | no_method_suggested_traits::Foo.method2();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method2`, perhaps you need to implement it:
candidate #1: `foo::Bar`
error[E0599]: no method named `method2` found for type `std::rc::Rc<&mut std::boxed::Box<&no_method_suggested_traits::Foo>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:94:71
|
94 | std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Foo)).method2();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method2`, perhaps you need to implement it:
candidate #1: `foo::Bar`
error[E0599]: no method named `method2` found for type `no_method_suggested_traits::Bar` in the current scope
--> $DIR/no-method-suggested-traits.rs:98:40
|
98 | no_method_suggested_traits::Bar::X.method2();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method2`, perhaps you need to implement it:
candidate #1: `foo::Bar`
error[E0599]: no method named `method2` found for type `std::rc::Rc<&mut std::boxed::Box<&no_method_suggested_traits::Bar>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:102:74
|
102 | std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Bar::X)).method2();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method2`, perhaps you need to implement it:
candidate #1: `foo::Bar`
error[E0599]: no method named `method3` found for type `Foo` in the current scope
--> $DIR/no-method-suggested-traits.rs:107:9
|
107 | Foo.method3();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method3`, perhaps you need to implement it:
candidate #1: `no_method_suggested_traits::foo::PubPub`
error[E0599]: no method named `method3` found for type `std::rc::Rc<&mut std::boxed::Box<&Foo>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:111:43
|
111 | std::rc::Rc::new(&mut Box::new(&Foo)).method3();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method3`, perhaps you need to implement it:
candidate #1: `no_method_suggested_traits::foo::PubPub`
error[E0599]: no method named `method3` found for type `Bar` in the current scope
--> $DIR/no-method-suggested-traits.rs:115:12
|
115 | Bar::X.method3();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method3`, perhaps you need to implement it:
candidate #1: `no_method_suggested_traits::foo::PubPub`
error[E0599]: no method named `method3` found for type `std::rc::Rc<&mut std::boxed::Box<&Bar>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:119:46
|
119 | std::rc::Rc::new(&mut Box::new(&Bar::X)).method3();
| ^^^^^^^
|
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `method3`, perhaps you need to implement it:
candidate #1: `no_method_suggested_traits::foo::PubPub`
error[E0599]: no method named `method3` found for type `usize` in the current scope
--> $DIR/no-method-suggested-traits.rs:125:13
|
125 | 1_usize.method3(); //~ ERROR no method named
| ^^^^^^^
error[E0599]: no method named `method3` found for type `std::rc::Rc<&mut std::boxed::Box<&usize>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:126:47
|
126 | std::rc::Rc::new(&mut Box::new(&1_usize)).method3(); //~ ERROR no method named
| ^^^^^^^
error[E0599]: no method named `method3` found for type `no_method_suggested_traits::Foo` in the current scope
--> $DIR/no-method-suggested-traits.rs:127:37
|
127 | no_method_suggested_traits::Foo.method3(); //~ ERROR no method named
| ^^^^^^^
error[E0599]: no method named `method3` found for type `std::rc::Rc<&mut std::boxed::Box<&no_method_suggested_traits::Foo>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:128:71
|
128 | std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Foo)).method3();
| ^^^^^^^
error[E0599]: no method named `method3` found for type `no_method_suggested_traits::Bar` in the current scope
--> $DIR/no-method-suggested-traits.rs:130:40
|
130 | no_method_suggested_traits::Bar::X.method3(); //~ ERROR no method named
| ^^^^^^^
error[E0599]: no method named `method3` found for type `std::rc::Rc<&mut std::boxed::Box<&no_method_suggested_traits::Bar>>` in the current scope
--> $DIR/no-method-suggested-traits.rs:131:74
|
131 | std::rc::Rc::new(&mut Box::new(&no_method_suggested_traits::Bar::X)).method3();
| ^^^^^^^
error: aborting due to previous error(s)

14
src/test/ui/span/issue-7575.stderr
View File

@ -23,10 +23,11 @@ note: candidate #3 is defined in the trait `UnusedTrait`
29 | fn f9(usize) -> usize; //~ NOTE candidate
| ^^^^^^^^^^^^^^^^^^^^^^
= help: to disambiguate the method call, write `UnusedTrait::f9(u, 342)` instead
= help: items from traits can only be used if the trait is implemented and in scope; the following traits define an item `f9`, perhaps you need to implement one of them:
= help: candidate #1: `CtxtFn`
= help: candidate #2: `OtherTrait`
= help: candidate #3: `UnusedTrait`
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following traits define an item `f9`, perhaps you need to implement one of them:
candidate #1: `CtxtFn`
candidate #2: `OtherTrait`
candidate #3: `UnusedTrait`
error[E0599]: no method named `fff` found for type `Myisize` in the current scope
--> $DIR/issue-7575.rs:74:30
@ -58,8 +59,9 @@ note: candidate #1 is defined in the trait `ManyImplTrait`
59 | | }
| |_____^
= help: to disambiguate the method call, write `ManyImplTrait::is_str(t)` instead
= help: items from traits can only be used if the trait is implemented and in scope; the following trait defines an item `is_str`, perhaps you need to implement it:
= help: candidate #1: `ManyImplTrait`
= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `is_str`, perhaps you need to implement it:
candidate #1: `ManyImplTrait`
error: aborting due to previous error(s)