14 lines
448 B
Plaintext
14 lines
448 B
Plaintext
==== tests/cases/compiler/indexerAsOptional.ts (2 errors) ====
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interface indexSig {
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//Index signatures can't be optional
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[idx?: number]: any; //err
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~~~
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!!! An index signature parameter cannot have a question mark.
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}
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class indexSig2 {
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//Index signatures can't be optional
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[idx?: number]: any //err
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~~~
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!!! An index signature parameter cannot have a question mark.
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} |