Ada Programming/Libraries/Ada.Containers.Generic Sort

is a unit of the Predefined Language Environment since Ada 2012.

Specification
Index_Type Before Left Right Index_Type  Boolean Swap Left Right  Index_Type AdaContainersGeneric_Sort First Last Index_Type PureAdaContainersGeneric_Sort

Wikibook

 * Ada Programming/Libraries/Ada
 * Ada Programming/Libraries/Ada.Containers