module Riffer::Helpers::CallOrValue

Resolves the “Proc-or-value” idiom: if thing is a Proc, calls it (passing context when its arity is non-zero); otherwise returns thing unchanged. When thing is nil, returns default.

Public Instance Methods

resolve (thing, context: nil, default: nil)

Source

# File lib/riffer/helpers/call_or_value.rb, line 11
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

: (untyped, ?context: untyped, ?default: untyped) -> untyped