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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
Jörgen Andersson16-Dec-20 5:27
professionalJörgen Andersson16-Dec-20 5:27 
AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
Gerry Schmitz16-Dec-20 6:32
mveGerry Schmitz16-Dec-20 6:32 
GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
lmoelleb16-Dec-20 8:24
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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
harold aptroot16-Dec-20 21:24
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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
Lorenzo Bertolino16-Dec-20 21:36
professionalLorenzo Bertolino16-Dec-20 21:36 
AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
Mark Quennell16-Dec-20 23:32
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GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
Rob Philpott16-Dec-20 23:41
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GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
Mark Quennell16-Dec-20 23:50
MemberMark Quennell16-Dec-20 23:50 
Bear in mind that this is a compiler-only thing - once compiled, all strings are back to being normally nullable.

If you have function declaration: void M(string s) { }, the idea is that you can be assured that s is going to be a not-null string. Because, where you call that function, you will be warned if you try M(null), or
string? s;
M(s);

The only times you are expected to test for null are:
1) If you receive a string? from a function. You should check for non-null before you use it.
2) Even if you have a not-null string parameter, if that method is external facing, another project may still send a null string

(obviously this all works for any reference type, not just strings...)

Does that help?
GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
Rob Philpott17-Dec-20 0:01
MemberRob Philpott17-Dec-20 0:01 
GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
Mark Quennell17-Dec-20 0:09
MemberMark Quennell17-Dec-20 0:09 
GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
Rob Philpott17-Dec-20 0:18
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GeneralRe: C Sharps - how are you getting on with nullable reference types? Pin
Mark Quennell17-Dec-20 0:22
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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
Thornik17-Dec-20 9:32
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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
zezba900018-Dec-20 12:02
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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
AnotherKen18-Dec-20 21:08
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AnswerRe: C Sharps - how are you getting on with nullable reference types? Pin
Adam David Hill27-Dec-20 4:02
professionalAdam David Hill27-Dec-20 4:02 
GeneralI have the feeling they do it on purpose... Pin
Kornfeld Eliyahu Peter15-Dec-20 23:00
professionalKornfeld Eliyahu Peter15-Dec-20 23:00 
GeneralRe: I have the feeling they do it on purpose... Pin
W Balboos, GHB16-Dec-20 3:51
mveW Balboos, GHB16-Dec-20 3:51 
GeneralWSO CCC OTD 2020-12-16 Pin
Sandeep Mewara15-Dec-20 21:52
mveSandeep Mewara15-Dec-20 21:52 
GeneralRe: WSO CCC OTD 2020-12-16 - You win! Pin
OriginalGriff16-Dec-20 1:57
mveOriginalGriff16-Dec-20 1:57 
GeneralOne of the things I love about CP... Pin
Marc Clifton15-Dec-20 11:33
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GeneralRe: One of the things I love about CP... Pin
BillWoodruff15-Dec-20 12:44
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GeneralRe: One of the things I love about CP... Pin
CodeWraith15-Dec-20 12:50
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GeneralRe: One of the things I love about CP... Pin
Cp-Coder15-Dec-20 16:25
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GeneralRe: One of the things I love about CP... Pin
Greg Utas16-Dec-20 3:10
mveGreg Utas16-Dec-20 3:10 

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