YAML::DBM#has_value?

ydbm.has_value?(value)

# File tmp/rubies/ruby-3.3.0/lib/yaml/dbm.rb, line 168
def has_value?( val )
    each_value { |v| return true if v == val }
    return false
end

Returns true if specified value is found in the database.

See also #fetch #index #each_value #invert also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0