Derive Macro extendr_api::prelude::IntoDataFrameRow
source · #[derive(IntoDataFrameRow)]
Expand description
Enable the construction of dataframes from arrays of structures.
§Example
ⓘ
use extendr_api::prelude::*;
#[derive(Debug, IntoDataFrameRow)]
struct MyStruct {
x: i32,
y: String,
}
let v = vec![MyStruct { x: 0, y: "abc".into() }, MyStruct { x: 1, y: "xyz".into() }];
let df = v.into_dataframe()?;
assert!(df.inherits("data.frame"));
assert_eq!(df[0], r!([0, 1]));
assert_eq!(df[1], r!(["abc", "xyz"]));