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let_chains: Adjust tests for pre-expansion gating.

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This commit is contained in:
Mazdak Farrokhzad 2019-06-17 05:41:45 +02:00
parent eb4f54a58d
commit 10234d286a
4 changed files with 103 additions and 62 deletions
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5
src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs
View File

@ -17,7 +17,10 @@
//
// To that end, we check some positions which is not part of the language above.
#![feature(const_generics)] //~ WARN the feature `const_generics` is incomplete
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete
#![feature(let_chains)] // Avoid inflating `.stderr` with overzealous gates in this test.
//~^ WARN the feature `let_chains` is incomplete
#![allow(irrefutable_let_patterns)]

120
src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr
View File

@ -1,5 +1,5 @@
error: expected one of `,` or `>`, found `&&`
--> $DIR/disallowed-positions.rs:187:14
--> $DIR/disallowed-positions.rs:190:14
|
LL | true && let 1 = 1
| ^^ expected one of `,` or `>` here
@ -10,8 +10,14 @@ warning: the feature `const_generics` is incomplete and may cause the compiler t
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
warning: the feature `let_chains` is incomplete and may cause the compiler to crash
--> $DIR/disallowed-positions.rs:22:12
|
LL | #![feature(let_chains)] // Avoid inflating `.stderr` with overzealous gates in this test.
| ^^^^^^^^^^
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:29:9
--> $DIR/disallowed-positions.rs:32:9
|
LL | if &let 0 = 0 {}
| ^^^^^^^^^
@ -20,7 +26,7 @@ LL | if &let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:32:9
--> $DIR/disallowed-positions.rs:35:9
|
LL | if !let 0 = 0 {}
| ^^^^^^^^^
@ -29,7 +35,7 @@ LL | if !let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:33:9
--> $DIR/disallowed-positions.rs:36:9
|
LL | if *let 0 = 0 {}
| ^^^^^^^^^
@ -38,7 +44,7 @@ LL | if *let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:34:9
--> $DIR/disallowed-positions.rs:37:9
|
LL | if -let 0 = 0 {}
| ^^^^^^^^^
@ -47,7 +53,7 @@ LL | if -let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:40:9
--> $DIR/disallowed-positions.rs:43:9
|
LL | if (let 0 = 0)? {}
| ^^^^^^^^^
@ -56,7 +62,7 @@ LL | if (let 0 = 0)? {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:42:16
--> $DIR/disallowed-positions.rs:45:16
|
LL | if true || let 0 = 0 {}
| ^^^^^^^^^
@ -65,7 +71,7 @@ LL | if true || let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:43:17
--> $DIR/disallowed-positions.rs:46:17
|
LL | if (true || let 0 = 0) {}
| ^^^^^^^^^
@ -74,7 +80,7 @@ LL | if (true || let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:44:25
--> $DIR/disallowed-positions.rs:47:25
|
LL | if true && (true || let 0 = 0) {}
| ^^^^^^^^^
@ -83,7 +89,7 @@ LL | if true && (true || let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:45:25
--> $DIR/disallowed-positions.rs:48:25
|
LL | if true || (true && let 0 = 0) {}
| ^^^^^^^^^
@ -92,7 +98,7 @@ LL | if true || (true && let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:48:12
--> $DIR/disallowed-positions.rs:51:12
|
LL | if x = let 0 = 0 {}
| ^^^^^^^^^
@ -101,7 +107,7 @@ LL | if x = let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:50:15
--> $DIR/disallowed-positions.rs:53:15
|
LL | if true..(let 0 = 0) {}
| ^^^^^^^^^
@ -110,7 +116,7 @@ LL | if true..(let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:51:11
--> $DIR/disallowed-positions.rs:54:11
|
LL | if ..(let 0 = 0) {}
| ^^^^^^^^^
@ -119,7 +125,7 @@ LL | if ..(let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:52:9
--> $DIR/disallowed-positions.rs:55:9
|
LL | if (let 0 = 0).. {}
| ^^^^^^^^^
@ -128,7 +134,7 @@ LL | if (let 0 = 0).. {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:55:8
--> $DIR/disallowed-positions.rs:58:8
|
LL | if let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -137,7 +143,7 @@ LL | if let Range { start: _, end: _ } = true..true && false {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:57:8
--> $DIR/disallowed-positions.rs:60:8
|
LL | if let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -146,7 +152,7 @@ LL | if let Range { start: _, end: _ } = true..true || false {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:62:8
--> $DIR/disallowed-positions.rs:65:8
|
LL | if let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -155,7 +161,7 @@ LL | if let Range { start: F, end } = F..|| true {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:67:8
--> $DIR/disallowed-positions.rs:70:8
|
LL | if let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -164,7 +170,7 @@ LL | if let Range { start: true, end } = t..&&false {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:70:19
--> $DIR/disallowed-positions.rs:73:19
|
LL | if let true = let true = true {}
| ^^^^^^^^^^^^^^^
@ -173,7 +179,7 @@ LL | if let true = let true = true {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:74:12
--> $DIR/disallowed-positions.rs:77:12
|
LL | while &let 0 = 0 {}
| ^^^^^^^^^
@ -182,7 +188,7 @@ LL | while &let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:76:12
--> $DIR/disallowed-positions.rs:79:12
|
LL | while !let 0 = 0 {}
| ^^^^^^^^^
@ -191,7 +197,7 @@ LL | while !let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:77:12
--> $DIR/disallowed-positions.rs:80:12
|
LL | while *let 0 = 0 {}
| ^^^^^^^^^
@ -200,7 +206,7 @@ LL | while *let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:78:12
--> $DIR/disallowed-positions.rs:81:12
|
LL | while -let 0 = 0 {}
| ^^^^^^^^^
@ -209,7 +215,7 @@ LL | while -let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:84:12
--> $DIR/disallowed-positions.rs:87:12
|
LL | while (let 0 = 0)? {}
| ^^^^^^^^^
@ -218,7 +224,7 @@ LL | while (let 0 = 0)? {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:86:19
--> $DIR/disallowed-positions.rs:89:19
|
LL | while true || let 0 = 0 {}
| ^^^^^^^^^
@ -227,7 +233,7 @@ LL | while true || let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:87:20
--> $DIR/disallowed-positions.rs:90:20
|
LL | while (true || let 0 = 0) {}
| ^^^^^^^^^
@ -236,7 +242,7 @@ LL | while (true || let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:88:28
--> $DIR/disallowed-positions.rs:91:28
|
LL | while true && (true || let 0 = 0) {}
| ^^^^^^^^^
@ -245,7 +251,7 @@ LL | while true && (true || let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:89:28
--> $DIR/disallowed-positions.rs:92:28
|
LL | while true || (true && let 0 = 0) {}
| ^^^^^^^^^
@ -254,7 +260,7 @@ LL | while true || (true && let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:92:15
--> $DIR/disallowed-positions.rs:95:15
|
LL | while x = let 0 = 0 {}
| ^^^^^^^^^
@ -263,7 +269,7 @@ LL | while x = let 0 = 0 {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:94:18
--> $DIR/disallowed-positions.rs:97:18
|
LL | while true..(let 0 = 0) {}
| ^^^^^^^^^
@ -272,7 +278,7 @@ LL | while true..(let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:95:14
--> $DIR/disallowed-positions.rs:98:14
|
LL | while ..(let 0 = 0) {}
| ^^^^^^^^^
@ -281,7 +287,7 @@ LL | while ..(let 0 = 0) {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:96:12
--> $DIR/disallowed-positions.rs:99:12
|
LL | while (let 0 = 0).. {}
| ^^^^^^^^^
@ -290,7 +296,7 @@ LL | while (let 0 = 0).. {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:99:11
--> $DIR/disallowed-positions.rs:102:11
|
LL | while let Range { start: _, end: _ } = true..true && false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -299,7 +305,7 @@ LL | while let Range { start: _, end: _ } = true..true && false {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:101:11
--> $DIR/disallowed-positions.rs:104:11
|
LL | while let Range { start: _, end: _ } = true..true || false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -308,7 +314,7 @@ LL | while let Range { start: _, end: _ } = true..true || false {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:106:11
--> $DIR/disallowed-positions.rs:109:11
|
LL | while let Range { start: F, end } = F..|| true {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -317,7 +323,7 @@ LL | while let Range { start: F, end } = F..|| true {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:111:11
--> $DIR/disallowed-positions.rs:114:11
|
LL | while let Range { start: true, end } = t..&&false {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -326,7 +332,7 @@ LL | while let Range { start: true, end } = t..&&false {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:114:22
--> $DIR/disallowed-positions.rs:117:22
|
LL | while let true = let true = true {}
| ^^^^^^^^^^^^^^^
@ -335,7 +341,7 @@ LL | while let true = let true = true {}
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:128:6
--> $DIR/disallowed-positions.rs:131:6
|
LL | &let 0 = 0;
| ^^^^^^^^^
@ -344,7 +350,7 @@ LL | &let 0 = 0;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:130:6
--> $DIR/disallowed-positions.rs:133:6
|
LL | !let 0 = 0;
| ^^^^^^^^^
@ -353,7 +359,7 @@ LL | !let 0 = 0;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:131:6
--> $DIR/disallowed-positions.rs:134:6
|
LL | *let 0 = 0;
| ^^^^^^^^^
@ -362,7 +368,7 @@ LL | *let 0 = 0;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:132:6
--> $DIR/disallowed-positions.rs:135:6
|
LL | -let 0 = 0;
| ^^^^^^^^^
@ -371,7 +377,7 @@ LL | -let 0 = 0;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:138:6
--> $DIR/disallowed-positions.rs:141:6
|
LL | (let 0 = 0)?;
| ^^^^^^^^^
@ -380,7 +386,7 @@ LL | (let 0 = 0)?;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:140:13
--> $DIR/disallowed-positions.rs:143:13
|
LL | true || let 0 = 0;
| ^^^^^^^^^
@ -389,7 +395,7 @@ LL | true || let 0 = 0;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:141:14
--> $DIR/disallowed-positions.rs:144:14
|
LL | (true || let 0 = 0);
| ^^^^^^^^^
@ -398,7 +404,7 @@ LL | (true || let 0 = 0);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:142:22
--> $DIR/disallowed-positions.rs:145:22
|
LL | true && (true || let 0 = 0);
| ^^^^^^^^^
@ -407,7 +413,7 @@ LL | true && (true || let 0 = 0);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:145:9
--> $DIR/disallowed-positions.rs:148:9
|
LL | x = let 0 = 0;
| ^^^^^^^^^
@ -416,7 +422,7 @@ LL | x = let 0 = 0;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:147:12
--> $DIR/disallowed-positions.rs:150:12
|
LL | true..(let 0 = 0);
| ^^^^^^^^^
@ -425,7 +431,7 @@ LL | true..(let 0 = 0);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:148:8
--> $DIR/disallowed-positions.rs:151:8
|
LL | ..(let 0 = 0);
| ^^^^^^^^^
@ -434,7 +440,7 @@ LL | ..(let 0 = 0);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:149:6
--> $DIR/disallowed-positions.rs:152:6
|
LL | (let 0 = 0)..;
| ^^^^^^^^^
@ -443,7 +449,7 @@ LL | (let 0 = 0)..;
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:151:6
--> $DIR/disallowed-positions.rs:154:6
|
LL | (let Range { start: _, end: _ } = true..true || false);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -452,7 +458,7 @@ LL | (let Range { start: _, end: _ } = true..true || false);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:154:6
--> $DIR/disallowed-positions.rs:157:6
|
LL | (let true = let true = true);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -461,7 +467,7 @@ LL | (let true = let true = true);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:154:17
--> $DIR/disallowed-positions.rs:157:17
|
LL | (let true = let true = true);
| ^^^^^^^^^^^^^^^
@ -470,7 +476,7 @@ LL | (let true = let true = true);
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:159:6
--> $DIR/disallowed-positions.rs:162:6
|
LL | &let 0 = 0
| ^^^^^^^^^
@ -479,7 +485,7 @@ LL | &let 0 = 0
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:169:17
--> $DIR/disallowed-positions.rs:172:17
|
LL | true && let 1 = 1
| ^^^^^^^^^
@ -488,7 +494,7 @@ LL | true && let 1 = 1
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:173:17
--> $DIR/disallowed-positions.rs:176:17
|
LL | true && let 1 = 1
| ^^^^^^^^^
@ -497,7 +503,7 @@ LL | true && let 1 = 1
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions are not supported here
--> $DIR/disallowed-positions.rs:177:17
--> $DIR/disallowed-positions.rs:180:17
|
LL | true && let 1 = 1
| ^^^^^^^^^
@ -506,7 +512,7 @@ LL | true && let 1 = 1
= note: as well as when nested within `&&` and parenthesis in those conditions
error: `let` expressions only supported in `if`
--> $DIR/disallowed-positions.rs:29:9
--> $DIR/disallowed-positions.rs:32:9
|
LL | if &let 0 = 0 {}
| ^^^^^^^^^

7
src/test/ui/rfc-2497-if-let-chains/feature-gate.rs
View File

@ -83,7 +83,9 @@ fn _while() {
fn _macros() {
macro_rules! noop_expr { ($e:expr) => {}; }
noop_expr!((let 0 = 1));
//~^ ERROR `let` expressions in this position are experimental [E0658]
macro_rules! use_expr {
($e:expr) => {
@ -95,7 +97,10 @@ fn _macros() {
//~^ ERROR `let` expressions in this position are experimental [E0658]
use_expr!((let 0 = 1));
//~^ ERROR `let` expressions in this position are experimental [E0658]
// use_expr!(let 0 = 1);
#[cfg(FALSE)] (let 0 = 1);
//~^ ERROR `let` expressions in this position are experimental [E0658]
use_expr!(let 0 = 1);
//~^ ERROR no rules expected the token `let`
// ^--- FIXME(53667): Consider whether `Let` can be added to `ident_can_begin_expr`.
}

33
src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr
View File

@ -1,3 +1,12 @@
error: no rules expected the token `let`
--> $DIR/feature-gate.rs:102:15
|
LL | macro_rules! use_expr {
| --------------------- when calling this macro
...
LL | use_expr!(let 0 = 1);
| ^^^ no rules expected this token in macro call
error[E0658]: `let` expressions in this position are experimental
--> $DIR/feature-gate.rs:14:9
|
@ -251,7 +260,25 @@ LL | while let Range { start: _, end: _ } = (true..true) && false {}
= help: add #![feature(let_chains)] to the crate attributes to enable
error[E0658]: `let` expressions in this position are experimental
--> $DIR/feature-gate.rs:94:16
--> $DIR/feature-gate.rs:100:20
|
LL | #[cfg(FALSE)] (let 0 = 1);
| ^^^^^^^^^
|
= note: for more information, see https://github.com/rust-lang/rust/issues/53667
= help: add #![feature(let_chains)] to the crate attributes to enable
error[E0658]: `let` expressions in this position are experimental
--> $DIR/feature-gate.rs:87:17
|
LL | noop_expr!((let 0 = 1));
| ^^^^^^^^^
|
= note: for more information, see https://github.com/rust-lang/rust/issues/53667
= help: add #![feature(let_chains)] to the crate attributes to enable
error[E0658]: `let` expressions in this position are experimental
--> $DIR/feature-gate.rs:96:16
|
LL | use_expr!((let 0 = 1 && 0 == 0));
| ^^^^^^^^^
@ -260,7 +287,7 @@ LL | use_expr!((let 0 = 1 && 0 == 0));
= help: add #![feature(let_chains)] to the crate attributes to enable
error[E0658]: `let` expressions in this position are experimental
--> $DIR/feature-gate.rs:96:16
--> $DIR/feature-gate.rs:98:16
|
LL | use_expr!((let 0 = 1));
| ^^^^^^^^^
@ -274,6 +301,6 @@ error: `let` expressions only supported in `if`
LL | if (let 0 = 1) {}
| ^^^^^^^^^
error: aborting due to 31 previous errors
error: aborting due to 34 previous errors
For more information about this error, try `rustc --explain E0658`.