Module: Riffer::Helpers::CallOrValue

Extended by:

CallOrValue

Included in:

CallOrValue

Defined in:

lib/riffer/helpers/call_or_value.rb

Overview

Resolves the Proc-or-value idiom.

Instance Method Summary

• #resolve(thing, context: nil, default: nil) ⇒ Object

  Calls thing when it’s a Proc (passing context if its arity is non-zero), returns it unchanged otherwise, or default when nil.

Instance Method Details

#resolve(thing, context: nil, default: nil) ⇒ Object

Calls thing when it’s a Proc (passing context if its arity is non-zero), returns it unchanged otherwise, or default when nil. – : (untyped, ?context: untyped, ?default: untyped) -> untyped

# File 'lib/riffer/helpers/call_or_value.rb', line 12

def resolve(thing, context: nil, default: nil)
  return default if thing.nil?
  return thing unless thing.is_a?(Proc)
  thing.arity.zero? ? thing.call : thing.call(context)
end