packageutilities// An OpCode is a opcode of compiled path patterns.typeOpCodeint// These constants are the valid values of OpCode.const(// OpNop does nothingOpNop=OpCode(iota)// OpPush pushes a component to stackOpPush// OpLitPush pushes a component to stack if it matches to the literalOpLitPush// OpPushM concatenates the remaining components and pushes it to stackOpPushM// OpConcatN pops N items from stack, concatenates them and pushes it back to stackOpConcatN// OpCapture pops an item and binds it to the variableOpCapture// OpEnd is the least positive invalid opcode.OpEnd)