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version 2.109.1

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Function std.string.detabber

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

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

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

Parameters

NameDescription
r string or forward range
tabSize distance between tab stops

Returns

lazy forward range with tabs replaced with spaces

Example

import std.array : array;

writeln(detabber(" \n\tx", 9).array); // " \n         x"

Example

import std.array : array;
import std.utf : byChar, byWchar;

writeln(detabber(" \u2029\t".byChar, 9).array); // " \u2029         "
auto r = "hel\tx".byWchar.detabber();
writeln(r.front); // 'h'
auto s = r.save;
r.popFront();
r.popFront();
writeln(r.front); // 'l'
writeln(s.front); // 'h'

Authors

Walter Bright, Andrei Alexandrescu, Jonathan M Davis, and David L. 'SpottedTiger' Davis

License

Boost License 1.0.