Function parse_layout_column_gap 

pub fn parse_layout_column_gap<'a>(
    input: &'a str,
) -> Result<LayoutColumnGap, CssPixelValueParseError<'a>>

Parses a LayoutColumnGap attribute from a &str

Example

assert_eq!(parse_layout_column_gap("5px"), Ok(LayoutColumnGap { inner: PixelValue::px(5.0) }));