On 2020-05-26 16:29, Brad Gilbert wrote:
There are various equality operators.
｢==｣ Tests for numeric equality
｢eq｣ Tests for string equality
｢===｣ Tests for value identity
｢=:=｣ Tests for pointer equality (Note that it looks a bit like ｢:=｣)
｢eqv｣ Tests for structure equivalence.
The ｢==｣ and
There are various equality operators.
｢==｣ Tests for numeric equality
｢eq｣ Tests for string equality
｢===｣ Tests for value identity
｢=:=｣ Tests for pointer equality (Note that it looks a bit like ｢:=｣)
｢eqv｣ Tests for structure equivalence.
The ｢==｣ and ｢eq｣ operators are special because they for
On Tue, May 26, 2020 at 4:24 PM ToddAndMargo via perl6-users
mailto:perl6-us...@perl.org>> wrote:
Hi All,
How do I turn this:
$ raku -e 'my $x="abc"; say $x.index( "q" );'
Nil
into a test?
$ raku -e 'my $x="abc"; if $x.index( "q" ) eq Nil {say "Nil"}else{say
"Exis
Generally you don't need to test for ｢Nil｣.
You can just test for defined-ness.
$ raku -e 'my $x="abc"; with $x.index( "q" ) {say "Exists"} else {say
"Nil";}'
Also ｢Nil｣ is not a ｢Str｣, so why would you use ｢eq｣?
$ raku -e 'Nil.Str'
Use of Nil in string context
If you really need to
Hi All,
How do I turn this:
$ raku -e 'my $x="abc"; say $x.index( "q" );'
Nil
into a test?
$ raku -e 'my $x="abc"; if $x.index( "q" ) eq Nil {say "Nil"}else{say
"Exists";}'
Use of Nil in string context
in block at -e line 1
Use of Nil in string context
in block at -e line 1
Nil
Many
