YAML::DBM#key

ydbm.key(value) → string

# File tmp/rubies/ruby-3.4.1/lib/yaml/dbm.rb, line 93
def key( keystr )
    invert[keystr]
end

Returns the key for the specified value.

See also #invert #reject #index #replace also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0