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instance method
YAML::DBM#delete_if
ydbm.delete_if { |key, value| ... }
lib/yaml/dbm.rb
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# File tmp/rubies/ruby-3.2.0/lib/yaml/dbm.rb, line 117
def delete_if # :yields: [key, value]
del_keys = keys.dup
del_keys.delete_if { |k| yield( k, fetch( k ) ) == false }
del_keys.each { |k| delete( k ) }
self
end
Calls the given block once for each key, value pair in the database. Deletes all entries for which the block returns true.
Returns self.