Documentation for infix fff, assembled from the following types:
sub infix:<fff>(Mu , Mu )
Performs a sed-like flipflop operation, wherein it returns
False until the left argument smartmatches against
$_, and after that returns
True until the right argument smartmatches against
Works similarly to
ff, except that it only tries one argument per invocation. That is, if
$_ smartmatches the left argument,
fff will not then try to match that same
$_ against the right argument.
for <AB C D B E F>
The non-sed-like flipflop (which after successfully matching the left argument against
$_ will try that same
$_ against the right argument and act accordingly), see
This operator cannot be overloaded, as it's handled specially by the compiler.