Module: MutualRecursion

Defined in:

lib/mutual_recursion.rb

Defined Under Namespace

Classes: MissingTailCallError, TailCall

Class Method Summary

• .tail_call ⇒ MutualRecursion::TailCall

  Make a direct or indirect recursive call in tail position.

• .terminal_value(value) ⇒ MutualRecursion::TailCall

  Indicates that the recursion has ended with the provided value.

Class Method Details

.tail_call ⇒ MutualRecursion::TailCall

Make a direct or indirect recursive call in tail position.

Yield Returns:

• (MutualRecursion::TailCall) —

  a tail call

Returns:

• (MutualRecursion::TailCall) —

  a non terminal tail call

# File 'lib/mutual_recursion.rb', line 44

def tail_call
  TailCall.new { yield }
end

.terminal_value(value) ⇒ MutualRecursion::TailCall

Indicates that the recursion has ended with the provided value.

Parameters:

• value (Object) —

  the terminal value

Returns:

• (MutualRecursion::TailCall) —

  a terminal tail call that will return the given value

# File 'lib/mutual_recursion.rb', line 54

def terminal_value(value)
  TailCall.new(value)
end