Properties
-
errorText
→ String
-
the errorText to display when the validation fails
final
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
call(T value)
→ String?
-
call is a special function that makes a class callable
returns null if the input is valid otherwise it returns the provided error errorText
-
isValid(T value)
→ bool
-
checks the input against the given conditions
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
toString()
→ String
-
A string representation of this object.
inherited
