infix fff
Documentation for infix fff
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language documentation Operators
From Operators
(Operators) infix fff
sub infix:<fff>(Mu , Mu )
Performs a sed-like flipflop operation, wherein it returns False
until the left argument smartmatches against $_
, then 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 ff.
This operator cannot be overloaded, as it's handled specially by the compiler.