// ----
// libsass (v3.5.4)
// ----

@function to-string($value) {
  @return inspect($value);
}


/// Replace `$search` with `$replace` in `$string`
/// @author Hugo Giraudel
/// @param {String} $string - Initial string
/// @param {String} $search - Substring to replace
/// @param {String} $replace ('') - New value
/// @return {String} - Updated string
@function str-replace($string, $search, $replace: '') {
  $index: str-index($string, $search);

  @if $index {
    @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
  }

  @return $string;
}


$i: 0.1;

@while $i <= 4
{
  $iSafe: str-replace(to-string($i), '.', '_');
  .fs-#{$iSafe}
  {
    font-size: #{$i}rem;
  }
  
  $i: $i + 0.1;
}