RSpec
Ruby on Rails
Ruby
v6.0.0 -
Show latest stable
-
0 notes
- Superclass:
KeyError
- 1.0.0
- 1.1.6
- 1.2.6
- 2.0.3
- 2.1.0
- 2.2.1
- 2.3.8
- 3.0.0
- 3.0.9
- 3.1.0
- 3.2.1
- 3.2.8
- 3.2.13
- 4.0.2 (0)
- 4.1.8 (0)
- 4.2.1 (0)
- 4.2.7 (0)
- 4.2.9 (0)
- 5.0.0.1 (38)
- 5.1.7 (0)
- 5.2.3 (0)
- 6.0.0 (0)
- 6.1.3.1 (0)
- 6.1.7.7 (0)
- 7.0.0 (0)
- 7.1.3.2 (0)
- 7.1.3.4 (0)
- What's this?
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new
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corrections
(>= v7.0.0)
= private
= protected
Raised when a required parameter is missing.
params = ActionController::Parameters.new(a: {}) params.fetch(:b) # => ActionController::ParameterMissing: param is missing or the value is empty: b params.require(:a) # => ActionController::ParameterMissing: param is missing or the value is empty: a
