11 lines
450 B
Plaintext
11 lines
450 B
Plaintext
==== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/typeParameterAssignability.ts (2 errors) ====
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// type parameters are not assignable to one another unless directly or indirectly constrained to one another
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function foo<T, U>(t: T, u: U) {
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t = u; // error
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~
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!!! Type 'U' is not assignable to type 'T'.
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u = t; // error
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~
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!!! Type 'T' is not assignable to type 'U'.
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} |