char_array<-rindex

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char_array<-rindex

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char_array <-rindex: of=char, from=[int] -> int

char_array <-index: of=char, from=[int] -> int

Return the index of the given character. When from is given, the search (forwards for char_array<-index, backwards for char_array<-rindex) starts at the given index. Fails silently if the character cannot be located.