YAML::DBM#delete_if

ydbm.delete_if { |key, value| ... }

# File tmp/rubies/ruby-3.3.0/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.

See also #delete #each #[]= #each_pair also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

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