Implements the range interface primitive back for built-in
arrays. Due to the fact that nonmember functions can be called with
the first argument using the dot notation, array.back is
equivalent to back(array). For narrow strings, back automatically returns the last code point as _a dchar.
The D Programming Language's Unofficial Docs
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Implements the range interface primitive back for built-in arrays. Due to the fact that nonmember functions can be called with the first argument using the dot notation, array.back is equivalent to back(array). For narrow strings, back automatically returns the last code point as _a dchar.