spec_predecessors -> HashRuby 1.9.3 から[permalink][rdoc][edit]-
[TODO] ???
Return a hash of predecessors. <tt>result[spec]</tt> is an Array of gemspecs that have a dependency satisfied by the named spec.
このマニュアルは既にメンテナンスが終了したバージョンの Ruby を対象としています。 最新版のマニュアルへ
spec_predecessors -> HashRuby 1.9.3 から[permalink][rdoc][edit][TODO] ???
Return a hash of predecessors. <tt>result[spec]</tt> is an Array of gemspecs that have a dependency satisfied by the named spec.