sdbm.fetch(key) â value or nil
sdbm.fetch(key) { |key| ... }
sdbm.fetch(key) { |key| ... }
Instance Public methods
Returns the value in the database associated with the given
key string.
If a block is provided, the block will be called when there is no
value associated with the given key. The
key will be passed in as an argument to the block.
If no block is provided and no value is associated with the given
key, then an IndexError will be
raised.
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