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体验新版 GitCode,发现更多精彩内容 >>
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94ad5e16
编写于
10月 22, 2020
作者:
N
Nadrieril
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电子邮件补丁
差异文件
Improve error message
上级
c89d439b
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
35 addition
and
20 deletion
+35
-20
compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
+3
-3
src/test/ui/pattern/usefulness/integer-ranges/overlapping_range_endpoints.stderr
...fulness/integer-ranges/overlapping_range_endpoints.stderr
+32
-17
未找到文件。
compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
浏览文件 @
94ad5e16
...
...
@@ -309,18 +309,18 @@ fn lint_overlapping_range_endpoints(
pcx
.span
,
|
lint
|
{
let
mut
err
=
lint
.build
(
"multiple patterns overlap on their endpoints"
);
err
.span_label
(
pcx
.span
,
"
overlapping range endpoints
"
);
err
.span_label
(
pcx
.span
,
"
... with this range
"
);
for
(
int_range
,
span
)
in
overlaps
{
// Use the real type for user display of the ranges:
err
.span_label
(
span
,
&
format!
(
"this range overlaps on `{}`"
,
"this range overlaps on `{}`
...
"
,
int_range
.to_pat
(
pcx
.cx.tcx
,
pcx
.ty
)
),
);
}
// FIXME: add note
err
.note
(
"this is likely to be a mistake"
);
err
.emit
();
},
);
...
...
src/test/ui/pattern/usefulness/integer-ranges/overlapping_range_endpoints.stderr
浏览文件 @
94ad5e16
...
...
@@ -2,73 +2,88 @@ error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:15:22
|
LL | m!(0u8, 20..=30, 30..=40);
| ------- ^^^^^^^
overlapping range endpoints
| ------- ^^^^^^^
... with this range
| |
| this range overlaps on `30_u8`
| this range overlaps on `30_u8`
...
|
note: the lint level is defined here
--> $DIR/overlapping_range_endpoints.rs:2:9
|
LL | #![deny(overlapping_range_endpoints)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:16:22
|
LL | m!(0u8, 30..=40, 20..=30);
| ------- ^^^^^^^
overlapping range endpoints
| ------- ^^^^^^^
... with this range
| |
| this range overlaps on `30_u8`
| this range overlaps on `30_u8`...
|
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:19:22
|
LL | m!(0u8, 20.. 30, 29..=40);
| ------- ^^^^^^^
overlapping range endpoints
| ------- ^^^^^^^
... with this range
| |
| this range overlaps on `29_u8`
| this range overlaps on `29_u8`...
|
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:23:22
|
LL | m!(0u8, 20..=30, 30..=31);
| ------- ^^^^^^^
overlapping range endpoints
| ------- ^^^^^^^
... with this range
| |
| this range overlaps on `30_u8`
| this range overlaps on `30_u8`...
|
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:27:22
|
LL | m!(0u8, 20..=30, 19..=20);
| ------- ^^^^^^^
overlapping range endpoints
| ------- ^^^^^^^
... with this range
| |
| this range overlaps on `20_u8`
| this range overlaps on `20_u8`...
|
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:39:9
|
LL | 0..=10 => {}
| ------ this range overlaps on `10_u8`
| ------ this range overlaps on `10_u8`
...
LL | 20..=30 => {}
| ------- this range overlaps on `20_u8`
| ------- this range overlaps on `20_u8`
...
LL | 10..=20 => {}
| ^^^^^^^ overlapping range endpoints
| ^^^^^^^ ... with this range
|
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:50:16
|
LL | (true, 0..=10) => {}
| ------ this range overlaps on `10_u8`
| ------ this range overlaps on `10_u8`
...
LL | (true, 10..20) => {}
| ^^^^^^ overlapping range endpoints
| ^^^^^^ ... with this range
|
= note: this is likely to be a mistake
error: multiple patterns overlap on their endpoints
--> $DIR/overlapping_range_endpoints.rs:56:14
|
LL | Some(0..=10) => {}
| ------ this range overlaps on `10_u8`
| ------ this range overlaps on `10_u8`
...
LL | Some(10..20) => {}
| ^^^^^^ overlapping range endpoints
| ^^^^^^ ... with this range
|
= note: this is likely to be a mistake
error: aborting due to 8 previous errors
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