What if mutability was part type's feature? And I don't mean that type can be mutable or immutable, I mean it can be both at different times.
And what mutability even means for series types? Does it mean that series is fixed in size and only its values can change, or does it mean it can also expand or shrink freely?
Well @recoil has a solution - each series type has an attribute, #immutable, #mutable and #flexible. Mutable series can change content but cannot change size,flexible series can both

#flexible : admitting of being turned, bowed, or twisted, without breaking

- French: souple

- Italian: flessibile

- Portuguese: flexível

- Spanish: flexible

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Why am I just finding put now about #FLEXIBLE?#BLAS
I am not #pedantic. If you are right, and it does happen, rarely, I #admit it. And even if I think you're still #wrong but you have a point somewhere, I'll go #research that shit. I am the most #flexible #human you've never met. What haven't I done? Who haven't I been? I'm finally me.
Gaze

• Tanzwerkstatt • Kassel • Hesse • Germany • It was a long-held wish of mine to capture Avah Lee Painter’s ballet style on camera, and our recent session finally made it happen. Working with her wa…

Andreas L. Berg
Reach

• Tanzwerkstatt • Kassel • Hesse • Germany • It was a long-held wish of mine to capture Avah Lee Painter’s ballet style on camera, and our recent session finally made it happen. Working with her wa…

Andreas L. Berg