instance method

Prism::Pattern#compile_nil_node

compile_nil_node(node)

# File tmp/rubies/ruby-4.0.0/lib/prism/pattern.rb, line 215
def compile_nil_node(node)
  ->(attribute) { attribute.nil? }
end

in nil

See also #compile_hash_pattern_node #compile_node #compile_error #compile_regular_expression_node also in 3.4 · 3.3