get_value: explicitly mark value as out. Closes gh-134
get_value: explicitly mark value as out. Closes gh-134

midgardproject/midgard-core,midgardproject/midgard-core,piotras/midgard-core,piotras/midgard-core,piotras/midgard-core,piotras/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core