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Spell checker
Does not have any dependencies on the rest of DMD.
auto speller(alias dg)(const(char)[] seed)
if (isSearchFunction!dg);
Looks for correct spelling. Looks a distance of up to two. This does an exhaustive search, so can potentially be very slow.
const(char)[] seed wrongly spelled word
dg search delegate of the form T delegate(const(char)[] p, out int cost)
T.init = no correct spellings found, otherwise the value returned by dg() for first possible correct spelling