Class: Optimist::EitherConstraint

Inherits:

Constraint

• Object
• Constraint
• Optimist::EitherConstraint

Defined in:

lib/optimist.rb

Overview

An Either-Or constraint. For Mutually exclusive options

Instance Method Summary

• #error_condition(overlap_size) ⇒ Object
• #error_message(longargs) ⇒ Object

Methods inherited from Constraint

#initialize, #validate

Constructor Details

This class inherits a constructor from Optimist::Constraint

Instance Method Details

#error_condition(overlap_size) ⇒ Object

# File 'lib/optimist.rb', line 76

def error_condition(overlap_size)
  overlap_size != 1
end

#error_message(longargs) ⇒ Object

# File 'lib/optimist.rb', line 79

def error_message(longargs)
  "one and only one of #{longargs.join(', ')} is required"
end