Crate partial_fn
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A partial function of type PartialFn<A,B> is a unary function whose domain is a subset of A.
In addition to being able to call a PartialFn, a method is_defined_at is provided in
order to test whether the given PartialFn is defined at a particular value.
Macros
- Construct a partial function
PartialFn<A,B>from a series of one or more match statements.
Structs
- The
PartialFntype.