LyStringLengthLowerThan constructor

LyStringLengthLowerThan(
  1. String message,
  2. int len
)

Validation that requires a string to have a minimum length.

If the length of the value is not shorter than len return message, otherwise it will return a null value.

Example:

final validation = StringLengthLowerThan(5, 'Must be at least 5 characters');
final result = validation('1234567');
print(result); // Must be at least 5 characters

Implementation

LyStringLengthLowerThan(super.message, this.len);