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Maybe-proof-obligation

Fixtype of optional proof obligations.

This is an option type introduced by fty::defoption. Note that defoption is just a wrapper for fty::defflexsum, so there are :none and :some member types, a case macro, and so forth.

Member Types

:none → maybe-proof-obligation-none

Represents that no maybe-proof-obligation is available, i.e., Nothing or None.

:some → maybe-proof-obligation-some

An available maybe-proof-obligation, i.e., Just val or Some val.

Subtopics

Maybe-proof-obligation-fix

Fixing function for maybe-proof-obligation structures.

Maybe-proof-obligation-equiv

Basic equivalence relation for maybe-proof-obligation structures.

Maybe-proof-obligation-case

Case macro for the different kinds of maybe-proof-obligation structures.

Maybe-proof-obligation-some

An available maybe-proof-obligation, i.e., Just val or Some val.

Maybe-proof-obligation-none

Represents that no maybe-proof-obligation is available, i.e., Nothing or None.

Maybe-proof-obligationp

Recognizer for maybe-proof-obligation structures.