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853天前#----------------------------- |
sub hypotenuse { |
return sqrt( ($_[0] ** 2) + ($_[1] ** 2) ); |
} |
$diag = hypotenuse(3,4); # $diag is 5 |
#----------------------------- |
sub hypotenuse { |
my ($side1, $side2) = @_; |
return sqrt( ($side1 ** 2) + ($side2 ** 2) ); |
} |
#----------------------------- |
print hypotenuse(3, 4), "\n"; # prints 5 |
@a = (3, 4); |
print hypotenuse(@a), "\n"; # prints 5 |
#----------------------------- |
@both = (@men, @women); |
#----------------------------- |
@nums = (1.4, 3.5, 6.7); |
@ints = int_all(@nums); # @nums unchanged |
sub int_all { |
my @retlist = @_; # make safe copy for return |
for my $n (@retlist) { $n = int($n) } |
return @retlist; |
} |
#----------------------------- |
@nums = (1.4, 3.5, 6.7); |
trunc_em(@nums); # @nums now (1,3,6) |
sub trunc_em { |
for (@_) { $_ = int($_) } # truncate each argument |
} |
#----------------------------- |
$line = chomp(<>); # WRONG |
#----------------------------- |
