Function parse_version_string 

pub fn parse_version_string(
    version_str: &str,
    span: Span,
) -> Result<SchemaVersion, ParseError>

Parse a version string in “major.minor” format into a SchemaVersion.

Arguments

• version_str - Raw version string from XML attribute (e.g., “1.0”)
• span - Source location for error reporting

Returns

Ok(SchemaVersion) on success, Err(ParseError) for invalid formats.

Examples

let v = parse_version_string("1.0", span)?;
assert_eq!(v.major, 1);
assert_eq!(v.minor, 0);