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&&
Combined from primary sources listed below.

In Operators§

See primary documentation in context for infix &&.

Returns the first argument that evaluates to False in Boolean context, otherwise returns the last argument.

Note that this short-circuits, i.e. if one of the arguments evaluates to a false value, the arguments to the right are never evaluated.

sub a { 1 }
sub b { 0 }
sub c { die "never called" };
say a() && b() && c();      # OUTPUT: «0␤»