@return [Symbol] The name of the action.
Adds the given action to the log, running the action @param [DependencyGraph] graph @param [Action] action @return The value returned by ‘action.up`
Creates the initial state for the resolution, based upon the {#requested} dependencies @return [DependencyState] the initial state for the resolution
@return [Boolean] whether or not the given state has any possibilities
left.
For debugging output
Create a new session id.
The session id is a secure random number by SecureRandom
if possible, otherwise an SHA512 hash based upon the time, a random number, and a constant string. This routine is used internally for automatically generated session ids.
Set
the default safe level to level
. The default safe level is 0
See new for more information.
Returns the inverse of the eigenvector matrix V