dates.age
Age in whole years on a given date, with 29 February birthdays ageing on 1 March in other years.
age in RustTagged eligibility
3 capabilities
retail.coupon-validate
Check a coupon against a basket: dates, usage limits, eligible products and minimum spend, with reason codes.
validate_coupon in Rust
charity.gift-aid-eligibility
Whether a UK donation qualifies for Gift Aid: declaration, enough tax paid, and the donor benefit limits.
gift_aid_eligibility in Rust