[ConstraintSystem] Diagnose missing explicit calls in assignment #24407
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…aintSystem That makes it much easier to use various facilities provided by `ConstraintSystem`.
If the source of the assignment is a function type which has a result that could be converted to expected destination type, let's diagnose that as missing call if such function doesn't have any parameters.
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@swift-ci please test |
slavapestov
reviewed
May 1, 2019
| @@ -37,7 +37,7 @@ func forgotCall() { | |||
| f6(f4, f2) // expected-error{{function produces expected type 'B'; did you mean to call it with '()'?}}{{8-8=()}} | |||
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| // With overloading: only one succeeds. | |||
| a = createB // expected-error{{ambiguous reference to member 'createB()'}} | |||
| a = createB // expected-error{{function produces expected type 'B'; did you mean to call it with '()'?}} | |||
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If the source of the assignment is a function type which has
a result that could be converted to expected destination type,
let's diagnose that as missing call if such function doesn't
have any parameters.