note
ikegami
<blockquote><p><i>As extracting of substring is a very frequent operation</i></blockquote>
<p>It's actually quite rare to want to extract a substring by position.
<blockquote><p><i>Implement <c>tail</c> and <c>head</c> functions as synonyms to <c>substr ($line,0,$len)</c> and <c>substr($line,-$len)</c></i></blockquote>
<p>Nothing's stopping you from doing that right now.
11121538
11121538