Function validate_match_clause

graphlite/src/ast/validator.rs:2438–2454

Validate match clause

(
    match_clause: &MatchClause,
    ctx: &mut ValidationContext,
    errors: &mut Vec<ValidationError>,
)

/// Validate match clause
fn validate_match_clause(
    match_clause: &MatchClause,
    ctx: &mut ValidationContext,
    errors: &mut Vec<ValidationError>,
) {
    if match_clause.patterns.is_empty() {
        errors.push(ValidationError {
            message: "MATCH clause must have at least one pattern".to_string(),
            location: Some(match_clause.location.clone()),
            error_type: ValidationErrorType::Structural,
        });
    }

    for pattern in &match_clause.patterns {
        validate_path_pattern(pattern, ctx, errors);
    }
}

/// Validate path pattern
fn validate_path_pattern(