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History of Idiom 94 > diff from v20 to v21

Edit summary for version 21 by programming-idioms.org:
[Perl] No literature in code block
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Version 20

2016-10-26, 12:09:01

Version 21

2016-10-26, 12:10:39

Idiom #94 Print type of variable

Print the name of the type of x. Explain if it is a static type or dynamic type.

This may not make sense in all languages.

Idiom #94 Print type of variable

Print the name of the type of x. Explain if it is a static type or dynamic type.

This may not make sense in all languages.

Code 
print ref($x)||"SCALAR", "\n";

Example:
my $s = "foo";
my @a = (1,2);
my %h = {foo=>1, bar=>2};
my $o = bless {}, 'OBJECT';
print ref($_)||"SCALAR", "\n" for $s, \@a, \%h, $o;

Output:
SCALAR
ARRAY
HASH
OBJECT
Code 
print ref($x)||"SCALAR", "\n";
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Example:
my $s = "foo";
my @a = (1,2);
my %h = {foo=>1, bar=>2};
my $o = bless {}, 'OBJECT';
print ref($_)||"SCALAR", "\n" for $s, \@a, \%h, $o;

Output:
SCALAR
ARRAY
HASH
OBJECT