Module: Mayak::Monads::Try::Mixin

Extended by:
T::Sig
Includes:
Kernel
Defined in:
lib/mayak/monads/try.rb

Instance Method Summary collapse

Instance Method Details

#check_try!(value, error, &blk) ⇒ Object 



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# File 'lib/mayak/monads/try.rb', line 622

def check_try!(value, error, &blk)
  do_try!(Mayak::Monads::Try.check(value, error, &blk))
end

#do_try!(value) ⇒ Object 



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# File 'lib/mayak/monads/try.rb', line 603

def do_try!(value)
  case value
  when Mayak::Monads::Try::Success
    value.success
  when Mayak::Monads::Try::Failure
    raise Halt[T.type_parameter(:Value)].new(value)
  else
    T.absurd(value)
  end
end

#for_try(&blk) ⇒ Object 



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# File 'lib/mayak/monads/try.rb', line 591

def for_try(&blk)
  result = blk.call
  Mayak::Monads::Try::Success[T.type_parameter(:Value)].new(result)
rescue Halt => e
  e.result
end

#guard_try!(error, &blk) ⇒ Object 



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# File 'lib/mayak/monads/try.rb', line 627

def guard_try!(error, &blk)
  do_try!(Mayak::Monads::Try.guard(error, &blk))
end

#Try(*exception_classes, &blk) ⇒ Object 



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# File 'lib/mayak/monads/try.rb', line 577

def Try(*exception_classes, &blk)
  exception_classes = [StandardError] if exception_classes.empty?
  begin
    Mayak::Monads::Try::Success[T.type_parameter(:Value)].new(blk.call)
  rescue *exception_classes => e
    Mayak::Monads::Try::Failure[T.type_parameter(:Value)].new(T.unsafe(e))
  end
end