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Function std.string.leftJustifier

Left justify s in a field width characters wide. fillChar is the character that will be used to fill up the space in the field that s doesn't fill.

auto leftJustifier(Range) (
  Range r,
  size_t width,
  dchar fillChar = ' '
if (isInputRange!Range && isSomeChar!(ElementEncodingType!Range) && !isConvertibleToString!Range);


r string or range of characters
width minimum field width
fillChar used to pad end up to width characters


a lazy range of the left justified result

See Also



import std.algorithm.comparison : equal;
import std.utf : byChar;
assert(leftJustifier("hello", 2).equal("hello".byChar));
assert(leftJustifier("hello", 7).equal("hello  ".byChar));
assert(leftJustifier("hello", 7, 'x').equal("helloxx".byChar));


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


Boost License 1.0.