Diagrams used when explaining stuff

stack_ub.zig

                                            //        stack over time
                                            //        ,-------------,
var outputTable = Table.init(4, allocator); //    ,-> | outputTable | 
                                            //    |   |-------------|---,
for (alerts.value.data.alerts) |a| {        //    |   | outputTable | a | stack location of `r`
                                            //    |   |-------------|---|---, 
    var r = [_][]u8{                        //    |   | outputTable | a | r | stack location of the fields of `a` when placed in the array of slices passed to `r` -------,
                                            //    |   |-------------|---|---|-------------------,                                                                         |
        a.labels.instance,                  //  f |   | outputTable | a | r | a.labels.instance |                                                                         |
                                            //  l |   |-------------|---|---|-------------------|---------,                                                               |
        a.state,                            //  o |   | outputTable | a | r | a.labels.instance | a.state |                                                               |
                                            //  w |   |-------------|---|---|-------------------|---------|--------------------,                                          |
        a.labels.alertname,                 //    |   | outputTable | a | r | a.labels.instance | a.state | a.labels.alertname |                                          |
                                            //    |   |-------------|---|---|-------------------|---------|--------------------|---------------------------,              |
        a.annotations.description,          //    |   | outputTable | a | r | a.labels.instance | a.state | a.labels.alertname | a.annotations.description |              |
    };                                      //    |   |-------------|---|---|-------------------|---------|--------------------|---------------------------|--------------,
    try outputTable.addRow(&r);             //    |   | outputTable | a | r | a.labels.instance | a.state | a.labels.alertname | a.annotations.description | addRow frame |
                                            //    |   |-------------|---'---'-------------------'---------'--------------------'---------------------------'--------------'
}                                           //    '-- | outputTable | everything within is dropped at the end of scope <--------------------------------------------------'