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trait OpaqueType extends AnyRef

Indicates if this Record represents an "Opaque Type"

Opaque types provide a mechanism for user-defined types that do not impose any "boxing" overhead in the emitted FIRRTL and Verilog. You can think about an opaque type Record as a box around a single element that only exists at Chisel elaboration time. Put another way, if this trait is mixed into a Record, the Record may only contain a single element with an empty name and there will be no _ in the name for that element in the emitted Verilog.

Self Type
OpaqueType with Record
See also

RecordSpec in Chisel's tests for example usage and expected output

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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  6. final def eq(arg0: AnyRef): Boolean
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  8. final def getClass(): Class[_]
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  9. def hashCode(): Int
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  10. final def isInstanceOf[T0]: Boolean
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  11. final def ne(arg0: AnyRef): Boolean
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  12. final def notify(): Unit
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  13. final def notifyAll(): Unit
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  14. def opaqueType: Boolean

    If set to true, indicates that this Record is an OpaqueType

    If set to true, indicates that this Record is an OpaqueType

    Users can override this if they need more dynamic control over the behavior for when instances of this type are considered opaque

  15. final def synchronized[T0](arg0: ⇒ T0): T0
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  16. def toString(): String
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  17. final def wait(arg0: Long, arg1: Int): Unit
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  18. final def wait(arg0: Long): Unit
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  19. final def wait(): Unit
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  1. def finalize(): Unit
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