Method: Dry::Transformer::Conditional.not

Defined in:
lib/dry/transformer/conditional.rb

.not(value, fn) ⇒ Boolean

Negates the result of transformation

Examples:

fn = Conditional[:not, -> value { value.is_a? ::String }]
fn[:foo]  # => true
fn["foo"] # => false

Parameters:

  • value (Object)
  • fn (Proc)

Returns:

  • (Boolean) 


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# File 'lib/dry/transformer/conditional.rb', line 34

def self.not(value, fn)
  !fn[value]
end