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TypeScript Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
hard
TypeScript
MyReturnType<F> is implemented as `F extends (...args: any[]) => infer R ? R : never`. What mechanism does this rely on?
A
Declaration merging
B
A conditional type using infer to extract the return type position from a function type
C
Runtime function introspection
D
The satisfies operator
Check Answer