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Suggest correct order for args and constraints

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This commit is contained in:
Esteban Küber 2020-03-28 17:45:36 -07:00
parent 33d793c326
commit dcb4e817bc
3 changed files with 68 additions and 0 deletions
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5
src/test/ui/parser/issue-32214.stderr
View file

@ -5,6 +5,11 @@ LL | pub fn test<W, I: Trait<Item=(), W> >() {}
| ------- ^ generic argument
| |
| the constraint is provided here
|
help: move the constraints after the generic arguments
|
LL | pub fn test<W, I: Trait<W, Item=()> >() {}
| --^^^^^^^
error: aborting due to previous error

40
src/test/ui/suggestions/suggest-move-types.stderr
View file

@ -5,6 +5,11 @@ LL | struct A<T, M: One<A=(), T>> {
| ---- ^ generic argument
| |
| the constraint is provided here
|
help: move the constraints after the generic arguments
|
LL | struct A<T, M: One<T, A=()>> {
| --^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:33:43
@ -14,6 +19,11 @@ LL | struct Al<'a, T, M: OneWithLifetime<A=(), T, 'a>> {
| | |
| | generic argument
| the constraint is provided here
|
help: move the constraints after the generic arguments
|
LL | struct Al<'a, T, M: OneWithLifetime<T, 'a, A=()>> {
| -- ^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:40:46
@ -26,6 +36,11 @@ LL | struct B<T, U, V, M: Three<A=(), B=(), C=(), T, U, V>> {
| | | the constraints are provided here
| | the constraints are provided here
| the constraints are provided here
|
help: move the constraints after the generic arguments
|
LL | struct B<T, U, V, M: Three<T, U, V, A=(), B=(), C=()>> {
| -- ^^^^^^^^^^^^^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:48:71
@ -41,6 +56,11 @@ LL | struct Bl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<A=(), B=(), C=(), T, U,
| | | the constraints are provided here
| | the constraints are provided here
| the constraints are provided here
|
help: move the constraints after the generic arguments
|
LL | struct Bl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<T, U, V, 'a, 'b, 'c, A=(), B=(), C=()>> {
| -- ^^^^^^^^^^^^^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:57:28
@ -53,6 +73,11 @@ LL | struct C<T, U, V, M: Three<T, A=(), B=(), C=(), U, V>> {
| | | the constraints are provided here
| | the constraints are provided here
| generic argument
|
help: move the constraints after the generic arguments
|
LL | struct C<T, U, V, M: Three<A=(), B=(), C=(), U, V, A=(), B=(), C=()>> {
| -- ^^^^^^^^^^^^^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:65:53
@ -68,6 +93,11 @@ LL | struct Cl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<T, 'a, A=(), B=(), C=()
| | | the constraints are provided here
| | generic argument
| generic argument
|
help: move the constraints after the generic arguments
|
LL | struct Cl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<A=(), B=(), C=(), U, 'b, V, 'c, A=(), B=(), C=()>> {
| -- ^^^^^^^^^^^^^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:74:28
@ -80,6 +110,11 @@ LL | struct D<T, U, V, M: Three<T, A=(), B=(), U, C=(), V>> {
| | | the constraints are provided here
| | the constraints are provided here
| generic argument
|
help: move the constraints after the generic arguments
|
LL | struct D<T, U, V, M: Three<A=(), B=(), U, C=(), V, A=(), B=(), U, C=()>> {
| -- ^^^^^^^^^^^^^^^^^^^
error: generic arguments must come before the first constraint
--> $DIR/suggest-move-types.rs:82:53
@ -95,6 +130,11 @@ LL | struct Dl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<T, 'a, A=(), B=(), U, '
| | | the constraints are provided here
| | generic argument
| generic argument
|
help: move the constraints after the generic arguments
|
LL | struct Dl<'a, 'b, 'c, T, U, V, M: ThreeWithLifetime<A=(), B=(), U, 'b, C=(), V, 'c, A=(), B=(), U, 'b, C=()>> {
| -- ^^^^^^^^^^^^^^^^^^^^^^^
error[E0747]: type provided when a lifetime was expected
--> $DIR/suggest-move-types.rs:33:43