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add the logic for when other_ty is FnDef

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This commit is contained in:
rchaser53 2019-04-12 22:59:30 +09:00
parent 199b0bad3c
commit d01ac0d61e
4 changed files with 90 additions and 20 deletions
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8
src/test/ui/fn/fn-compare-mismatch.stderr
View file

@ -7,6 +7,14 @@ LL | let x = f == g;
| fn() {main::f}
|
= note: an implementation of `std::cmp::PartialEq` might be missing for `fn() {main::f}`
help: you might have forgotten to call this function
|
LL | let x = f() == g;
| ^^^
help: you might have forgotten to call this function
|
LL | let x = f == g();
| ^^^
error[E0308]: mismatched types
--> $DIR/fn-compare-mismatch.rs:4:18

7
src/test/ui/issues/issue-59488.rs
View file

@ -16,4 +16,11 @@ fn main() {
bar > 13;
//~^ ERROR 16:9: 16:10: binary operation `>` cannot be applied to type `fn(i64) -> i64 {bar}` [E0369]
//~| ERROR 16:11: 16:13: mismatched types [E0308]
foo > foo;
//~^ ERROR 20:9: 20:10: binary operation `>` cannot be applied to type `fn() -> i32 {foo}` [E0369]
foo > bar;
//~^ ERROR 23:9: 23:10: binary operation `>` cannot be applied to type `fn() -> i32 {foo}` [E0369]
//~| ERROR 23:11: 23:14: mismatched types [E0308]
}

43
src/test/ui/issues/issue-59488.stderr
View file

@ -5,7 +5,7 @@ LL | foo > 12;
| --- ^ -- {integer}
| |
| fn() -> i32 {foo}
| help: did you forget: `foo()`
| help: you might have forgotten to call this function: `foo()`
|
= note: an implementation of `std::cmp::PartialOrd` might be missing for `fn() -> i32 {foo}`
@ -25,7 +25,7 @@ LL | bar > 13;
| --- ^ -- {integer}
| |
| fn(i64) -> i64 {bar}
| help: did you forget: `bar( /* arguments */ )`
| help: you might have forgotten to call this function: `bar( /* arguments */ )`
|
= note: an implementation of `std::cmp::PartialOrd` might be missing for `fn(i64) -> i64 {bar}`
@ -38,7 +38,44 @@ LL | bar > 13;
= note: expected type `fn(i64) -> i64 {bar}`
found type `i64`
error: aborting due to 4 previous errors
error[E0369]: binary operation `>` cannot be applied to type `fn() -> i32 {foo}`
--> $DIR/issue-59488.rs:20:9
|
LL | foo > foo;
| --- ^ --- fn() -> i32 {foo}
| |
| fn() -> i32 {foo}
|
= note: an implementation of `std::cmp::PartialOrd` might be missing for `fn() -> i32 {foo}`
help: you might have forgotten to call this function
|
LL | foo() > foo;
| ^^^^^
help: you might have forgotten to call this function
|
LL | foo > foo();
| ^^^^^
error[E0369]: binary operation `>` cannot be applied to type `fn() -> i32 {foo}`
--> $DIR/issue-59488.rs:23:9
|
LL | foo > bar;
| --- ^ --- fn(i64) -> i64 {bar}
| |
| fn() -> i32 {foo}
|
= note: an implementation of `std::cmp::PartialOrd` might be missing for `fn() -> i32 {foo}`
error[E0308]: mismatched types
--> $DIR/issue-59488.rs:23:11
|
LL | foo > bar;
| ^^^ expected fn item, found a different fn item
|
= note: expected type `fn() -> i32 {foo}`
found type `fn(i64) -> i64 {bar}`
error: aborting due to 7 previous errors
Some errors occurred: E0308, E0369.
For more information about an error, try `rustc --explain E0308`.