Select Structure Field Based on Variable

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Louis-Thomas Roy
Louis-Thomas Roy 2022 年 9 月 19 日
コメント済み: Stephen23 2022 年 9 月 19 日
Let's say I have a structure with multiple fields structured like this:
Structure.A = 5;
Structure.B = 10;
Structure.C = 30;
If I have a variable:
Field = "B"
Can I select the field B in the structure and set it equal to a new value? When I run this code, it creates a new field called "Field" instead of selecting the existing one from the value of Field.
Structure.Field = 15;

採用された回答

Bhaskar R
Bhaskar R 2022 年 9 月 19 日
There is special notation to access structure or class field using parenthesis () of input string
Structure.A = 5;
Structure.B = 10;
Structure.C = 30;
Field = "B"
Field = "B"
Structure.(Field) = 15 % this updates required field without adding extra field
Structure = struct with fields:
A: 5 B: 15 C: 30

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