struct2table — Convert scalar structs or struct arrays into tables.
struct2table(S) converts struct fields into table variables. Scalar structs become variable columns, while struct arrays become row-oriented tables.
Syntax
B = tabularBuiltin(A, ...)Inputs
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
A | Any | Yes | — | Input value. |
args | Any | Variadic | — | Name-value options or conversion arguments. |
Returns
| Name | Type | Description |
|---|---|---|
out | Any | Result value. |
Errors
| Identifier | When | Message |
|---|---|---|
RunMat:table:InvalidArgument | Arguments or table metadata are invalid. | table: invalid argument |
RunMat:table:InvalidIndex | Table indexing is invalid. | table: invalid index |
RunMat:table:InvalidVariable | A table variable name or value is invalid. | table: invalid variable |
RunMat:readtable:IOError | readtable cannot open or read the requested file. | readtable: file read failed |
RunMat:readtable:UnsupportedFileType | readtable receives a file type outside the text or spreadsheet import backends. | readtable: unsupported file type |
How struct2table works
- Field insertion order becomes variable order.
"VariableNames"and"RowNames"may be supplied as name-value options."AsArray"keeps scalar struct field values as array-valued table entries.
Examples
Convert struct variables
T = struct2table(S)Expected output:
T = table objectPreserve scalar struct arrays as entries
T = struct2table(S, 'AsArray', true)Expected output:
T = table objectUsing struct2table with coding agents
Open a RunMat example with live inputs, then ask the agent to explain how struct2table changes the result.
Run a small struct2table example, explain the result, then change one input and compare the output.
Related Table functions
array2table · array2timetable · categorical · cell2table · dictionary · head · iscategorical · isordinal · istable · istimetable · ordinal · pivot · rowfilter · table2array · table2cell · table2struct · table2timetable · timerange · timetable · timetable2table · uitable · vartype
Open-source implementation
Unlike proprietary runtimes, every RunMat function is open-source. Read exactly how struct2table is executed, line by line, in Rust.
- View the source for struct2table in Rust on GitHub
- Learn how the RunMat runtime works
- Found a bug? Open an issue with a minimal reproduction.
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