polars_arrow/array/struct_/
fmt.rs

1use std::fmt::{Debug, Formatter, Result, Write};
2
3use super::super::fmt::{get_display, write_map, write_vec};
4use super::StructArray;
5
6pub fn write_value<W: Write>(
7    array: &StructArray,
8    index: usize,
9    null: &'static str,
10    f: &mut W,
11) -> Result {
12    let writer = |f: &mut W, _index| {
13        for (i, (field, column)) in array.fields().iter().zip(array.values()).enumerate() {
14            if i != 0 {
15                write!(f, ", ")?;
16            }
17            let writer = get_display(column.as_ref(), null);
18            write!(f, "{}: ", field.name)?;
19            writer(f, index)?;
20        }
21        Ok(())
22    };
23
24    write_map(f, writer, None, 1, null, false)
25}
26
27impl Debug for StructArray {
28    fn fmt(&self, f: &mut Formatter<'_>) -> Result {
29        let writer = |f: &mut Formatter, index| write_value(self, index, "None", f);
30
31        write!(f, "StructArray")?;
32        write_vec(f, writer, self.validity(), self.len(), "None", false)
33    }
34}
polars_arrow/array/struct_/fmt.rs

polars_arrow/array/struct_/
fmt.rs
