UndefinedOr8

Constructors

makeCombinerFailFastfunctionCreates a Combiner for A | undefined that combines values only when both operands are defined.makeReducerfunctionCreates a Reducer for UndefinedOr<A> that prioritizes the first non-undefined value and combines values when both operands are present.makeReducerFailFastfunctionCreates a Reducer for A | undefined by wrapping an existing reducer with fail-fast semantics.

Getters

getOrThrowconstReturns the defined value, or throws a default Error when the input is undefined.getOrThrowWithconstReturns the defined value, or throws the value produced by onUndefined when the input is undefined.

Mapping

mapconstMaps a defined value with f, or returns undefined unchanged.

Converting

liftThrowableconstConverts a throwing function into one that returns successful results unchanged and returns undefined when the function throws.

Pattern Matching

matchconstPattern matches on an A | undefined value, running onDefined when the value is present or evaluating onUndefined when the value is undefined.