PRuleRequiredIf class
Constructors
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PRuleRequiredIf(String? _value, bool _ifRequired, {String message = "Required"})
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Check if the value is present if the condition is true
value
is the value to check
ifRequired
is the condition to check
message is the error message
Methods
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noSuchMethod(Invocation invocation)
→ dynamic
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Invoked when a nonexistent method or property is accessed.
inherited
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toString()
→ String
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A string representation of this object.
inherited
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validate()
→ String?
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Validate the value
Return null if the value is valid
Return the error message if the value is invalid
Return null if the value is empty
override