@import "imports/library.less"; .bar { width: #library.sizes[@width]; height: #library.add-one(1px)[@return]; } // I'm gonna override some values #library { .sizes() { @width: 800px; } } .foo { width: #library.sizes[@width]; } .foods() { @dessert: ice cream; } @key-to-lookup: dessert; .lunch { treat: .foods[@@key-to-lookup]; }