runefix_core

Function display_width

Source 
pub fn display_width(s: &str) -> usize
Expand description

Re-exports: Primary public API Returns the total display width (in columns) of a string, based on grapheme clusters.

This function segments the input string into Unicode grapheme clusters and sums the display width of each one using display_width. The result reflects how much horizontal space the entire string occupies in a monospace terminal, accounting for wide characters such as CJK ideographs and emoji.

§Arguments

  • s - The input string to measure

§Returns

The total display width of the string in terminal columns.

§Example

use runefix_core::display_width;

let width = display_width("Hi，世界");
assert_eq!(width, 8); // 1 + 1 + 2 + 2 + 2