Gets the underlying dcbor-pattern NullPattern.
StaticnewCreates a new NullPattern (returns singleton).
Returns true if the pattern matches the haystack.
Returns true if the Display of the matcher is complex, i.e. contains nested patterns or other complex structures that require its text rendering to be surrounded by grouping parentheses.
Returns a string representation of an object.
Hash code for use in Maps/Sets.
Pattern for matching null values.
This is a wrapper around dcbor_pattern::NullPattern that provides envelope-specific functionality.
Corresponds to the Rust
NullPatternstruct in null_pattern.rs