Raised by ExFPE.new!/3 when a context cannot be built — an invalid key, mode,
radix, or alphabet.
The structured :reason is the same term ExFPE.new/3 would return under
{:error, reason}.
Raised by ExFPE.new!/3 when a context cannot be built — an invalid key, mode,
radix, or alphabet.
The structured :reason is the same term ExFPE.new/3 would return under
{:error, reason}.