Function selection_from

pub fn selection_from<'a, R>(
    shape: &Shape,
    constraints: &[(&'a str, R)],
) -> Result<Selection, ShapeError>
where
    R: Clone + Into<Range> + 'a,

Construct a Selection from a Shape and multiple labeled range constraints.

This function produces a multidimensional selection aligned with the shape, applying the specified constraints to their corresponding dimensions. All unconstrained dimensions are filled with all to preserve structural alignment.

Arguments

• shape: The labeled shape defining the full coordinate space.
• constraints: A slice of (label, range) pairs specifying dimension constraints.

Errors

Returns ShapeError::InvalidLabels if any label in constraints is not present in the shape.

Example

use ndslice::selection::selection_from;
use ndslice::shape;

let shape = shape!(zone = 2, host = 4, gpu = 8);
let sel = selection_from(&shape, &[("host", 1..3), ("gpu", 0..4)]).unwrap();
assert_eq!(
    format!("{sel:?}"),
    "All(Range(Range(1, Some(3), 1), Range(Range(0, Some(4), 1), True)))"
);