[5.9] [Runtime] Add a function to check type creation #68376
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[Runtime] Add a function to check type creation
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@swift-ci please test |
stephentyrone
approved these changes
Sep 7, 2023
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@swift-ci please test macOS |
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Cherry-pick of #68359
Explanation:
In some situations it is needed to dynamically instantiate new variations of a generic type given a flat list of the desired generic arguments. With the introduction of parameter packs, performing this operation is nigh impossible without the runtime's help. Add a new SPI that does the right thing for us and checks that the given generic arguments are suitable for the passed type and instantiate that variation for us.
Scope:
Currently none as this is a new function that isn't being exercised anywhere.
Main Branch PR: [Runtime] Add a function to check type creation #68359
Risk: Low
Reviewed By: @mikeash
Testing: Added test-cases to the suite.
Resolves: rdar://112163811