trait DataDiff[A, P] extends AnyRef

A type class for computing the differences between two instances of a type

A

the type to compute differences on

P

a type for a "patch" which represents the differences between any two instances of A

Linear Supertypes
AnyRef, Any
Known Subclasses
DataDiff_BigDecimal, DataDiff_BigInt, DataDiff_Boolean, DataDiff_Byte, DataDiff_Char, DataDiff_Double, DataDiff_Float, DataDiff_Int, DataDiff_Long, DataDiff_Short, DataDiff_String, DataDiff_Unit, SeqDataDiff, BooleanDataDiffImpl, MapDataDiffImpl, NumericDataDiffImpl, OptionDataDiffImpl, SeqDataDiffImpl, SetDataDiffImpl, SimpleDataDiffImpl
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Type Members

  1. type Patch = P

Abstract Value Members

  1. abstract def applyPatch(value: A, patch: P): A

    Apply a patch (generated by a prior call to calcDiff) to a value.

    Apply a patch (generated by a prior call to calcDiff) to a value. If patch is equal to noChange, then value is returned unmodified.

    value

    the value to apply the patch to

    patch

    the patch to apply

    returns

    the new value with the patch applied

  2. abstract def calcDiff(oldValue: A, newValue: A): P

    Compute the difference between two values.

    Compute the difference between two values. Result is a patch that if applied to the original value results in the new value.

    oldValue

    the original value

    newValue

    the new value

    returns

    If oldValue and newValue are different, P (that is not equal to noChange). Otherwise, noChange

  3. abstract val noChange: P

    The value of P that represents no change

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