Ruby does object exist in array

# Element exists in array
object_exists = arr.any? { |elem| elem == desired_value }

# Element with property exists in array
object_exists = arr.any? { |obj| obj.prop == desired_value }

# Type exists in array
object_exists = arr.any?(Integer)

# Element matching regex exists in array
object_exists = arr.any?(/d/)

Source: apidock.com

Similar codes

0 vote226 views1 answer
Why are getters and setters important ruby
Ruby
4 votes281 views1 answer
Destroy existed port
Ruby
4 votes239 views1 answer
Ruby find index of element in array
Ruby
0 vote201 views1 answer
Rails spreadsheet email attachment
Ruby
0 vote225 views1 answer
Add key and value to the beginning of a hash ruby
Ruby
8 votes479 views2 answers
Rails remove column from model
Ruby
1 vote224 views1 answer
Is there a way of changing the key of a hash
Ruby
0 vote222 views1 answer
Ruby is method defined
Ruby
1 vote198 views1 answer
Rails migration update column default value
Ruby
0 vote217 views1 answer
Pg_ctl: no database directory specified and environment variable PGDATA unset
Ruby