function openlayers_layers_enable in Openlayers 6
Implementation of hook_enable().
File
- modules/openlayers_layers/ openlayers_layers.install, line 26 
- This file holds the functions for the installing and enabling of the openlayers_layers module.
Code
function openlayers_layers_enable() {
  // As needed for upgrading to 2.x (while accounting
  // for 0.x), we set a variable that can help
  // the upgrade function in 2.x understand what needs
  // to be done.  Note, it is not meant to actually
  // maintain the schema version.
  variable_set('openlayers_layers_schema_version', 6100);
}