Expand suggestions for type ascription parse errors

This commit is contained in:
Esteban Küber 2019-03-12 19:27:10 -07:00
parent 9f91bee03f
commit 8ba1a97e37
20 changed files with 358 additions and 18 deletions

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@ -3,6 +3,19 @@ error: expected type, found `1`
|
LL | if let S { x: _x, y: 2 } = S { x: 1, y: 2 } { println!("Ok"); }
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/E0423.rs:12:36
|
LL | if let S { x: _x, y: 2 } = S { x: 1, y: 2 } { println!("Ok"); }
| ^
note: ...due to this, which is why a type is expected after
--> $DIR/E0423.rs:12:37
|
LL | if let S { x: _x, y: 2 } = S { x: 1, y: 2 } { println!("Ok"); }
| ^
= help: this might be indicative of a syntax error elsewhere
error: expected expression, found `==`
--> $DIR/E0423.rs:15:13
@ -15,6 +28,19 @@ error: expected type, found `0`
|
LL | for _ in std::ops::Range { start: 0, end: 10 } {}
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/E0423.rs:21:32
|
LL | for _ in std::ops::Range { start: 0, end: 10 } {}
| ^^^^^
note: ...due to this, which is why a type is expected after
--> $DIR/E0423.rs:21:37
|
LL | for _ in std::ops::Range { start: 0, end: 10 } {}
| ^
= help: this might be indicative of a syntax error elsewhere
error[E0423]: expected function, found struct `Foo`
--> $DIR/E0423.rs:4:13

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@ -88,6 +88,19 @@ error: expected type, found `4`
|
LL | println!("{}", a: &mut 4);
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/issue-22644.rs:34:20
|
LL | println!("{}", a: &mut 4);
| ^
note: ...due to this, which is why a type is expected after
--> $DIR/issue-22644.rs:34:21
|
LL | println!("{}", a: &mut 4);
| ^
= help: this might be indicative of a syntax error elsewhere
error: aborting due to 9 previous errors

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@ -0,0 +1,10 @@
enum Test {
Drill {
field: i32,
}
}
fn main() {
Test::Drill(field: 42);
//~^ ERROR expected type, found
}

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@ -0,0 +1,21 @@
error: expected type, found `42`
--> $DIR/issue-34255-1.rs:8:24
|
LL | Test::Drill(field: 42);
| ^^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/issue-34255-1.rs:8:17
|
LL | Test::Drill(field: 42);
| ^^^^^
note: ...due to this, which is why a type is expected after
--> $DIR/issue-34255-1.rs:8:22
|
LL | Test::Drill(field: 42);
| ^
= help: this might be indicative of a syntax error elsewhere
error: aborting due to previous error

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@ -13,6 +13,19 @@ error: expected type, found keyword `loop`
|
LL | loop { break 'label: loop { break 'label 42; }; }
| ^^^^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/lifetime_starts_expressions.rs:6:12
|
LL | loop { break 'label: loop { break 'label 42; }; }
| ^^^^^^^^^^^^
note: ...due to this, which is why a type is expected after
--> $DIR/lifetime_starts_expressions.rs:6:24
|
LL | loop { break 'label: loop { break 'label 42; }; }
| ^
= help: this might be indicative of a syntax error elsewhere
error: aborting due to 2 previous errors

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@ -3,6 +3,19 @@ error: expected type, found `3`
|
LL | x: 3
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/struct-literal-in-for.rs:13:9
|
LL | x: 3
| ^
note: ...due to this, which is why a type is expected after
--> $DIR/struct-literal-in-for.rs:13:10
|
LL | x: 3
| ^
= help: this might be indicative of a syntax error elsewhere
error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
--> $DIR/struct-literal-in-for.rs:14:12

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@ -3,6 +3,19 @@ error: expected type, found `3`
|
LL | x: 3
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/struct-literal-in-if.rs:13:9
|
LL | x: 3
| ^
note: ...due to this, which is why a type is expected after
--> $DIR/struct-literal-in-if.rs:13:10
|
LL | x: 3
| ^
= help: this might be indicative of a syntax error elsewhere
error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
--> $DIR/struct-literal-in-if.rs:14:12

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@ -3,6 +3,19 @@ error: expected type, found `3`
|
LL | x: 3
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/struct-literal-in-while.rs:13:9
|
LL | x: 3
| ^
note: ...due to this, which is why a type is expected after
--> $DIR/struct-literal-in-while.rs:13:10
|
LL | x: 3
| ^
= help: this might be indicative of a syntax error elsewhere
error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
--> $DIR/struct-literal-in-while.rs:14:12

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@ -3,6 +3,19 @@ error: expected type, found `3`
|
LL | x: 3
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/struct-literal-restrictions-in-lamda.rs:13:9
|
LL | x: 3
| ^
note: ...due to this, which is why a type is expected after
--> $DIR/struct-literal-restrictions-in-lamda.rs:13:10
|
LL | x: 3
| ^
= help: this might be indicative of a syntax error elsewhere
error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
--> $DIR/struct-literal-restrictions-in-lamda.rs:14:12

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@ -0,0 +1,11 @@
fn fun(x: i32) -> i32 { x }
fn main() {
let closure_annotated = |value: i32| -> i32 {
temp: i32 = fun(5i32);
//~^ ERROR cannot find value `temp` in this scope
//~| ERROR type ascription is experimental
temp + value + 1
//~^ ERROR cannot find value `temp` in this scope
};
}

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@ -0,0 +1,28 @@
error[E0425]: cannot find value `temp` in this scope
--> $DIR/type-ascription-instead-of-let.rs:5:9
|
LL | temp: i32 = fun(5i32);
| ^^^^
| |
| not found in this scope
| expecting a type here because of type ascription
| help: maybe you meant to write an assignment here: `let temp`
error[E0425]: cannot find value `temp` in this scope
--> $DIR/type-ascription-instead-of-let.rs:8:9
|
LL | temp + value + 1
| ^^^^ not found in this scope
error[E0658]: type ascription is experimental (see issue #23416)
--> $DIR/type-ascription-instead-of-let.rs:5:9
|
LL | temp: i32 = fun(5i32);
| ^^^^^^^^^
|
= help: add #![feature(type_ascription)] to the crate attributes to enable
error: aborting due to 3 previous errors
Some errors occurred: E0425, E0658.
For more information about an error, try `rustc --explain E0425`.

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@ -0,0 +1,4 @@
fn main() {
Box:new("foo".to_string())
//~^ ERROR expected type, found
}

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@ -0,0 +1,10 @@
error: expected type, found `"foo"`
--> $DIR/type-ascription-instead-of-method.rs:2:13
|
LL | Box:new("foo".to_string())
| - ^^^^^ expecting a type here because of type ascription
| |
| help: maybe you meant to write a path separator here: `::`
error: aborting due to previous error

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@ -0,0 +1,6 @@
fn main() {
std:io::stdin();
//~^ ERROR failed to resolve: use of undeclared type or module `io`
//~| ERROR expected value, found module
//~| ERROR type ascription is experimental
}

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@ -0,0 +1,35 @@
error[E0433]: failed to resolve: use of undeclared type or module `io`
--> $DIR/type-ascription-instead-of-path.rs:2:9
|
LL | std:io::stdin();
| ^^ use of undeclared type or module `io`
error[E0423]: expected value, found module `std`
--> $DIR/type-ascription-instead-of-path.rs:2:5
|
LL | std:io::stdin();
| ^^^
| |
| not a value
| expecting a type here because of type ascription
help: maybe you meant to write a path separator here
|
LL | std::io::stdin();
| ^^
help: maybe you meant to write an assignment here
|
LL | let std:io::stdin();
| ^^^^^^^
error[E0658]: type ascription is experimental (see issue #23416)
--> $DIR/type-ascription-instead-of-path.rs:2:5
|
LL | std:io::stdin();
| ^^^^^^^^^^^^^^^
|
= help: add #![feature(type_ascription)] to the crate attributes to enable
error: aborting due to 3 previous errors
Some errors occurred: E0423, E0433, E0658.
For more information about an error, try `rustc --explain E0423`.

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@ -0,0 +1,4 @@
fn main() {
let _ = Option:Some("");
//~^ ERROR expected type, found
}

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@ -0,0 +1,10 @@
error: expected type, found `""`
--> $DIR/type-ascription-instead-of-variant.rs:2:25
|
LL | let _ = Option:Some("");
| - ^^ expecting a type here because of type ascription
| |
| help: maybe you meant to write a path separator here: `::`
error: aborting due to previous error

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@ -11,6 +11,19 @@ error: expected type, found `0`
|
LL | println!("test"): 0;
| ^ expecting a type here because of type ascription
|
= note: type ascription is a nightly only feature that lets you annotate expressions with a type: `<expr>: <type>`
note: this expression is annotated with type ascription...
--> $DIR/type-ascription-instead-of-statement-end.rs:9:5
|
LL | println!("test"): 0;
| ^^^^^^^^^^^^^^^^
note: ...due to this, which is why a type is expected after
--> $DIR/type-ascription-instead-of-statement-end.rs:9:21
|
LL | println!("test"): 0;
| ^
= help: this might be indicative of a syntax error elsewhere
error: aborting due to 2 previous errors