Function parse_layout_box_sizing 

pub fn parse_layout_box_sizing<'a>(
    input: &'a str,
) -> Result<LayoutBoxSizing, InvalidValueErr<'a>>

Parses a LayoutBoxSizing attribute from a &str

Example

assert_eq!(parse_layout_box_sizing("content-box"), Ok(LayoutBoxSizing::ContentBox));
assert_eq!(parse_layout_box_sizing("border-box"), Ok(LayoutBoxSizing::BorderBox));