Geohash.adjacent

You're seeing just the function adjacent, go back to Geohash module for more information.
Link to this function

adjacent(geohash, direction)

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Calculate adjacent/2 geohash in ordinal direction ["n","s","e","w"].

Deals with boundary cases when adjacent is not of the same prefix.

Examples

iex> Geohash.adjacent("abx1","n")
"abx4"