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class Athena::Validator::Constraints::IsNil
inherits Athena::Validator::Constraint #

Validates that a value is nil.

Configuration#

Optional Arguments#

message#

Type: String Default: This value should be null.

The message that will be shown if the value is not nil.

Placeholders#

The following placeholders can be used in this message:

  • {{ value }} - The current (invalid) value.
groups#

Type: Array(String) | String | Nil Default: nil

The validation groups this constraint belongs to. AVD::Constraint::DEFAULT_GROUP is assumed if nil.

payload#

Type: Hash(String, String)? Default: nil

Any arbitrary domain-specific data that should be stored with this constraint. The payload is not used by Athena::Validator, but its processing is completely up to you.

Constants#

NOT_NIL_ERROR = "2c88e3c7-9275-4b9b-81b4-48c6c44b1804" #

Class methods#

.new(message : String = "This value should be null.", groups : Array(String) | String | Nil = nil, payload : Hash(String, String)? = nil) #

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Methods#

#validated_by : AVD::ConstraintValidator.class #

Returns the AVD::ConstraintValidator.class that should handle validating self.

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