• Namal (6/6) Feb 18 2020 Hello, I wanted to remove the lastchar in a string and figured
• mipri (6/12) Feb 18 2020 Why do you think that they are the same?
• Namal (5/5) Feb 18 2020 oooh... I used
• mipri (8/13) Feb 19 2020 That makes sense. readln includes the newline:

Namal <sotis22 mail.ru> writes:

Hello, I wanted to remove the lastchar in a string and figured 
that you can do that wit

str = str[0..$-2];

but why is

str = str[0..$] and str=str[0..$-1]

the same ?

mipri <mipri minimaltype.com> writes:

On Wednesday, 19 February 2020 at 07:04:48 UTC, Namal wrote:
 Hello, I wanted to remove the lastchar in a string and figured 
 that you can do that wit

 str = str[0..$-2];

 but why is

 str = str[0..$] and str=str[0..$-1]

 the same ?

Why do you think that they are the same?

$ rdmd --eval 'auto str = "hello"; writeln(str = str[0..$]); 
writeln(str = str[0..$-1])'
hello
hell

Namal <sotis22 mail.ru> writes:

oooh... I used

str = std.readln();

to get my string and there must have been some other sign, line 
break or whitespace or something at the end  :(

Now I understand it, thx

mipri <mipri minimaltype.com> writes:

On Wednesday, 19 February 2020 at 07:49:36 UTC, Namal wrote:
 oooh... I used

 str = std.readln();

 to get my string and there must have been some other sign, line 
 break or whitespace or something at the end  :(

 Now I understand it, thx

That makes sense. readln includes the newline:

$ echo hello | rdmd --eval 'readln.map!(std.uni.isWhite).writeln'
[false, false, false, false, false, true]

You can use std.string.chomp to drop it:

$ echo hello | rdmd --eval 
'readln.chomp.map!(std.uni.isWhite).writeln'
[false, false, false, false, false]