tests/ui/force-inlining/invalid.stderr - rust-lang/rust - Git at Google

 error: allow, cfg, cfg_attr, deny, expect, forbid, and warn are the only allowed built-in attributes in function parameters
   --> $DIR/invalid.rs:132:11
    |
 LL | fn barqux(#[rustc_force_inline] _x: u32) {}
    |           ^^^^^^^^^^^^^^^^^^^^^

 error[E0805]: malformed `rustc_force_inline` attribute input
   --> $DIR/invalid.rs:15:1
    |
 LL | #[rustc_force_inline(bar, baz)]
    | ^^^^^^^^^^^^^^^^^^^^----------^
    |                     |
    |                     expected a single argument here
    |
 help: try changing it to one of the following valid forms of the attribute
    |
 LL - #[rustc_force_inline(bar, baz)]
 LL + #[rustc_force_inline = "reason"]
    |
 LL - #[rustc_force_inline(bar, baz)]
 LL + #[rustc_force_inline(reason)]
    |
 LL - #[rustc_force_inline(bar, baz)]
 LL + #[rustc_force_inline]
    |

 error[E0539]: malformed `rustc_force_inline` attribute input
   --> $DIR/invalid.rs:20:1
    |
 LL | #[rustc_force_inline(2)]
    | ^^^^^^^^^^^^^^^^^^^^^-^^
    |                      |
    |                      expected a string literal here
    |
 help: try changing it to one of the following valid forms of the attribute
    |
 LL - #[rustc_force_inline(2)]
 LL + #[rustc_force_inline = "reason"]
    |
 LL - #[rustc_force_inline(2)]
 LL + #[rustc_force_inline(reason)]
    |
 LL - #[rustc_force_inline(2)]
 LL + #[rustc_force_inline]
    |

 error[E0539]: malformed `rustc_force_inline` attribute input
   --> $DIR/invalid.rs:25:1
    |
 LL | #[rustc_force_inline = 2]
    | ^^^^^^^^^^^^^^^^^^^^^^^-^
    |                        |
    |                        expected a string literal here
    |
 help: try changing it to one of the following valid forms of the attribute
    |
 LL - #[rustc_force_inline = 2]
 LL + #[rustc_force_inline = "reason"]
    |
 LL - #[rustc_force_inline = 2]
 LL + #[rustc_force_inline(reason)]
    |
 LL - #[rustc_force_inline = 2]
 LL + #[rustc_force_inline]
    |

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:30:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | extern crate std as other_std;
    | ------------------------------ not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:34:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | use std::collections::HashMap;
    | ------------------------------ not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:38:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | static _FOO: &'static str = "FOO";
    | ---------------------------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:42:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | const _BAR: u32 = 3;
    | -------------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:46:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | mod foo { }
    | ----------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:50:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / unsafe extern "C" {
 LL | |     #[rustc_force_inline]
 LL | |
 LL | |     static X: &'static u32;
 ...  |
 LL | |     fn foo();
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:66:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | type Foo = u32;
    | --------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:70:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / enum Bar<#[rustc_force_inline] T> {
 LL | |
 LL | |     #[rustc_force_inline]
 ...  |
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:72:10
    |
 LL | enum Bar<#[rustc_force_inline] T> {
    |          ^^^^^^^^^^^^^^^^^^^^^ - not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:74:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     Baz(std::marker::PhantomData<T>),
    |     -------------------------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:79:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / struct Qux {
 LL | |     #[rustc_force_inline]
 LL | |
 LL | |     field: u32,
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:82:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     field: u32,
    |     ---------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:87:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / union FooBar {
 LL | |     x: u32,
 LL | |     y: u32,
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:94:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / trait FooBaz {
 LL | |     #[rustc_force_inline]
 LL | |
 LL | |     type Foo;
 ...  |
 LL | |     fn foo() {}
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:109:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | trait FooQux = FooBaz;
    | ---------------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:113:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / impl<T> Bar<T> {
 LL | |     #[rustc_force_inline]
 LL | |
 LL | |     fn foo() {}
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:121:1
    |
 LL |   #[rustc_force_inline]
    |   ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | / impl<T> FooBaz for Bar<T> {
 LL | |     type Foo = u32;
 LL | |     const Bar: i32 = 3;
 LL | | }
    | |_- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:128:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | macro_rules! barqux { ($foo:tt) => { $foo }; }
    | ---------------------------------------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:132:11
    |
 LL | fn barqux(#[rustc_force_inline] _x: u32) {}
    |           ^^^^^^^^^^^^^^^^^^^^^--------
    |           |
    |           not a function definition

 error: attribute cannot be applied to a `async`, `gen` or `async gen` function
   --> $DIR/invalid.rs:136:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | async fn async_foo() {}
    | -------------------- `async`, `gen` or `async gen` function

 error: attribute cannot be applied to a `async`, `gen` or `async gen` function
   --> $DIR/invalid.rs:140:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | gen fn gen_foo() {}
    | ---------------- `async`, `gen` or `async gen` function

 error: attribute cannot be applied to a `async`, `gen` or `async gen` function
   --> $DIR/invalid.rs:144:1
    |
 LL | #[rustc_force_inline]
    | ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL | async gen fn async_gen_foo() {}
    | ---------------------------- `async`, `gen` or `async gen` function

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:149:14
    |
 LL |     let _x = #[rustc_force_inline] || { };
    |              ^^^^^^^^^^^^^^^^^^^^^ ------ not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:151:14
    |
 LL |     let _y = #[rustc_force_inline] 3 + 4;
    |              ^^^^^^^^^^^^^^^^^^^^^ - not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:153:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     let _z = 3;
    |     ----------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:158:9
    |
 LL |         #[rustc_force_inline]
    |         ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |         1 => (),
    |         ------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:97:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     type Foo;
    |     --------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:100:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     const Bar: i32;
    |     --------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:104:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     fn foo() {}
    |     ----------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:116:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     fn foo() {}
    |     ----------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:53:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     static X: &'static u32;
    |     ----------------------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:57:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     type Y;
    |     ------- not a function definition

 error: attribute should be applied to a function
   --> $DIR/invalid.rs:61:5
    |
 LL |     #[rustc_force_inline]
    |     ^^^^^^^^^^^^^^^^^^^^^
 LL |
 LL |     fn foo();
    |     --------- not a function definition

 error: aborting due to 37 previous errors

 Some errors have detailed explanations: E0539, E0805.
 For more information about an error, try `rustc --explain E0539`.
	error: allow, cfg, cfg_attr, deny, expect, forbid, and warn are the only allowed built-in attributes in function parameters
	--> $DIR/invalid.rs:132:11
	\|
	LL \| fn barqux(#[rustc_force_inline] _x: u32) {}
	\| ^^^^^^^^^^^^^^^^^^^^^

	error[E0805]: malformed `rustc_force_inline` attribute input
	--> $DIR/invalid.rs:15:1
	\|
	LL \| #[rustc_force_inline(bar, baz)]
	\| ^^^^^^^^^^^^^^^^^^^^----------^
	\| \|
	\| expected a single argument here
	\|
	help: try changing it to one of the following valid forms of the attribute
	\|
	LL - #[rustc_force_inline(bar, baz)]
	LL + #[rustc_force_inline = "reason"]
	\|
	LL - #[rustc_force_inline(bar, baz)]
	LL + #[rustc_force_inline(reason)]
	\|
	LL - #[rustc_force_inline(bar, baz)]
	LL + #[rustc_force_inline]
	\|

	error[E0539]: malformed `rustc_force_inline` attribute input
	--> $DIR/invalid.rs:20:1
	\|
	LL \| #[rustc_force_inline(2)]
	\| ^^^^^^^^^^^^^^^^^^^^^-^^
	\| \|
	\| expected a string literal here
	\|
	help: try changing it to one of the following valid forms of the attribute
	\|
	LL - #[rustc_force_inline(2)]
	LL + #[rustc_force_inline = "reason"]
	\|
	LL - #[rustc_force_inline(2)]
	LL + #[rustc_force_inline(reason)]
	\|
	LL - #[rustc_force_inline(2)]
	LL + #[rustc_force_inline]
	\|

	error[E0539]: malformed `rustc_force_inline` attribute input
	--> $DIR/invalid.rs:25:1
	\|
	LL \| #[rustc_force_inline = 2]
	\| ^^^^^^^^^^^^^^^^^^^^^^^-^
	\| \|
	\| expected a string literal here
	\|
	help: try changing it to one of the following valid forms of the attribute
	\|
	LL - #[rustc_force_inline = 2]
	LL + #[rustc_force_inline = "reason"]
	\|
	LL - #[rustc_force_inline = 2]
	LL + #[rustc_force_inline(reason)]
	\|
	LL - #[rustc_force_inline = 2]
	LL + #[rustc_force_inline]
	\|

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:30:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| extern crate std as other_std;
	\| ------------------------------ not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:34:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| use std::collections::HashMap;
	\| ------------------------------ not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:38:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| static _FOO: &'static str = "FOO";
	\| ---------------------------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:42:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| const _BAR: u32 = 3;
	\| -------------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:46:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| mod foo { }
	\| ----------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:50:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / unsafe extern "C" {
	LL \| \| #[rustc_force_inline]
	LL \| \|
	LL \| \| static X: &'static u32;
	... \|
	LL \| \| fn foo();
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:66:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| type Foo = u32;
	\| --------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:70:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / enum Bar<#[rustc_force_inline] T> {
	LL \| \|
	LL \| \| #[rustc_force_inline]
	... \|
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:72:10
	\|
	LL \| enum Bar<#[rustc_force_inline] T> {
	\| ^^^^^^^^^^^^^^^^^^^^^ - not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:74:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| Baz(std::marker::PhantomData<T>),
	\| -------------------------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:79:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / struct Qux {
	LL \| \| #[rustc_force_inline]
	LL \| \|
	LL \| \| field: u32,
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:82:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| field: u32,
	\| ---------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:87:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / union FooBar {
	LL \| \| x: u32,
	LL \| \| y: u32,
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:94:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / trait FooBaz {
	LL \| \| #[rustc_force_inline]
	LL \| \|
	LL \| \| type Foo;
	... \|
	LL \| \| fn foo() {}
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:109:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| trait FooQux = FooBaz;
	\| ---------------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:113:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / impl<T> Bar<T> {
	LL \| \| #[rustc_force_inline]
	LL \| \|
	LL \| \| fn foo() {}
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:121:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| / impl<T> FooBaz for Bar<T> {
	LL \| \| type Foo = u32;
	LL \| \| const Bar: i32 = 3;
	LL \| \| }
	\| \|_- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:128:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| macro_rules! barqux { ($foo:tt) => { $foo }; }
	\| ---------------------------------------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:132:11
	\|
	LL \| fn barqux(#[rustc_force_inline] _x: u32) {}
	\| ^^^^^^^^^^^^^^^^^^^^^--------
	\| \|
	\| not a function definition

	error: attribute cannot be applied to a `async`, `gen` or `async gen` function
	--> $DIR/invalid.rs:136:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| async fn async_foo() {}
	\| -------------------- `async`, `gen` or `async gen` function

	error: attribute cannot be applied to a `async`, `gen` or `async gen` function
	--> $DIR/invalid.rs:140:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| gen fn gen_foo() {}
	\| ---------------- `async`, `gen` or `async gen` function

	error: attribute cannot be applied to a `async`, `gen` or `async gen` function
	--> $DIR/invalid.rs:144:1
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| async gen fn async_gen_foo() {}
	\| ---------------------------- `async`, `gen` or `async gen` function

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:149:14
	\|
	LL \| let _x = #[rustc_force_inline] \|\| { };
	\| ^^^^^^^^^^^^^^^^^^^^^ ------ not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:151:14
	\|
	LL \| let _y = #[rustc_force_inline] 3 + 4;
	\| ^^^^^^^^^^^^^^^^^^^^^ - not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:153:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| let _z = 3;
	\| ----------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:158:9
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| 1 => (),
	\| ------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:97:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| type Foo;
	\| --------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:100:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| const Bar: i32;
	\| --------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:104:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| fn foo() {}
	\| ----------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:116:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| fn foo() {}
	\| ----------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:53:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| static X: &'static u32;
	\| ----------------------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:57:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| type Y;
	\| ------- not a function definition

	error: attribute should be applied to a function
	--> $DIR/invalid.rs:61:5
	\|
	LL \| #[rustc_force_inline]
	\| ^^^^^^^^^^^^^^^^^^^^^
	LL \|
	LL \| fn foo();
	\| --------- not a function definition

	error: aborting due to 37 previous errors

	Some errors have detailed explanations: E0539, E0805.
	For more information about an error, try `rustc --explain E0539`.