I’m trying to do something like: x = 2 y = 3 sa = StaticArray(Int32, x*y).new { |i| i * 2 } p! sa But, it complains with: syntax error in eval:3 Error: unexpected token: "x" (See: Carcin ) This looks kinda like Is there a way to combine special argument types that denote size through macros? .

You can’t. This would have been a compiler extension in C. However if sa is the last member of a class or struct (i.e. a VLA), then you could define it as a one-element StaticArray, manually create a larger buffer, then reinterpret that buffer through a pointer cast. (In fact this is what String do…

How to create a StaticArray with a variable size?

Help & Support

drhuffman12 October 17, 2022, 4:40am 13

Topic		Replies	Views
Small Array Help & Support	1	229	July 16, 2021
Is there a way to combine special argument types that denote size through macros? Help & Support	12	500	January 25, 2022
Opinion on best practice for arrays/slices Help & Support	5	495	March 20, 2021
How to create a (non-static) Nested Array with a variable nested size? Help & Support	4	275	October 17, 2022
StaticArray vs Array Help & Support	6	365	July 22, 2021

How to create a StaticArray with a variable size?

Related topics