core/demand
(assert-type! arg ty)
Macro defined at lib/core/demand.lisp:64:2
Warning: assert-type! is deprecated: Use
desireordemandinstead.
Assert that the argument ARG has type TY, as reported by the function
type.
(demand condition message)
Macro defined at lib/core/demand.lisp:46:2
Demand that particular CONDITION is upheld. If provided, MESSAGE will
be included in the thrown error.
Note that MESSAGE is only evaluated if CONDITION is not met.
(desire condition message)
Macro defined at lib/core/demand.lisp:53:2
Demand that particular CONDITION is upheld if debug assertions are
on (-fstrict-checks). If provided, MESSAGE will be included in the
thrown error.
Note that MESSAGE is only evaluated if CONDITION is not met. Neither
will be evaluated if debug assertions are disabled.