Function parse_angle_value 

pub fn parse_angle_value(
    input: &str,
) -> Result<AngleValue, CssAngleValueParseError<'_>>

Parse a CSS angle value string (e.g. "90deg", "1.57rad", "0.5turn", "50%"). A bare number without a unit suffix is interpreted as degrees.

Errors

Returns an error if input is not a valid CSS angle-value value.