arrow-core/arrow.core/Option/all

all

inline fun all(predicate: (A) -> Boolean): Boolean

Deprecated

This API is niche and will be removed in the future. If this method is crucial for you, please let us know on the Arrow Github. Thanks! https://github.com/arrow-kt/arrow/issues Prefer using the Option DSL, or fold or map

Replace with

fold({ true }, predicate)
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Returns true if this option is empty '''or''' the predicate $predicate returns true when applied to this $option's value.

Parameters

predicate

the predicate to test