detabber

auto detabber(Range)(Range r,  size_t tabSize =  8) if (isForwardRange!Range &&  isSomeChar!(ElementEncodingType!Range)  &&
    !isConvertibleToString!Range)

Replace each tab character in r with the number of spaces necessary to align the following character at the next tab stop.

Parameters

`r`	string or forward range
`tabSize`	distance between tab stops

Returns

lazy forward range with tabs replaced with spaces

fnauto detabber(Range)(auto ref Range r, size_t tabSize = 8) if (isConvertibleToString!Range)

ditto