Function parse_layout_margin_left 

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

Parses a LayoutMarginLeft attribute from a &str

Example

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