@inline
@inline(slot) binds a block's positional label to a field by zero-based slot index. Multiple @inline(n) decorators expose multiple labels, so route "GET" "/users" fills slot 0 and slot 1.
wcl
@block("route") type Route {
@inline(0) method: utf8
@inline(1) path: utf8
}
route "GET" "/users" {}