use std::ops::Range;
use unicode_segmentation::UnicodeSegmentation as _;
use super::EditDelta;
mod editing;
mod keys;
mod planning;
mod viewport;
fn delta(replaced_byte_range: Range<usize>, inserted_byte_range: Range<usize>) -> EditDelta {
EditDelta {
replaced_byte_range,
inserted_byte_range,
}
}
fn is_extended_grapheme_boundary(text: &str, byte: usize) -> bool {
byte == text.len() || text.grapheme_indices(true).any(|(index, _)| index == byte)
}