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Design Meeting Notes, 9/15/2017 #18513
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Design Notes
Notes from our design meetings
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Error Suppression
#18457
ts-check
has allowed error suppression with// @ts-ignore
comments.ts-ignore
?Variance
--strictFunctionTypes
mode, and have an experimental implementation.--strict
family of compiler options.Mapped types to allow numeric constraint types
#18346
number
outside of thekeyof
type.number
in the position of the iterated type in a mapped type.string
-indexer instead?tokey
type operator? That might make relations easier to reason about.Nominal types
instanceof
to work correctly.The text was updated successfully, but these errors were encountered: