Function rgb_to_ansi_color

std/src/console/colors.rs:314–316

Converts an RGB color to an ANSI color number if there is an exact match. This function does a linear scan of the known colors table and, as such, should not be used in performance-critical places. TODO(jmmv): Make this efficient and remove the warning above.

(rgb: RGB)

/// used in performance-critical places.
// TODO(jmmv): Make this efficient and remove the warning above.
pub fn rgb_to_ansi_color(rgb: RGB) -> Option<u8> {
    COLORS.iter().position(|candidate| *candidate == rgb).map(|index| index as u8)
}

#[cfg(test)]
mod tests {