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Improve associated constant item CTFE timing section #1147

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Merged
merged 3 commits into from
Feb 8, 2022
Merged

Improve associated constant item CTFE timing section #1147

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cf06f4a
Don't implicitly talk about free constant CTFE timing
XrXr Jan 27, 2022
d0b33a2
Mention associated const CTFE interactions with generics
XrXr Feb 5, 2022
37e3c15
Use generics in associated const CTFE timing example
XrXr Feb 5, 2022
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5 changes: 2 additions & 3 deletions src/items/associated-items.md
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Expand Up @@ -293,8 +293,8 @@ type that the definition has to implement.
An *associated constant definition* defines a constant associated with a
type. It is written the same as a [constant item].

Unlike [free] constants, associated constant definitions undergo
[constant evaluation] only when referenced.
Associated constant definitions undergo [constant evaluation] only when
referenced.
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@oli-obk oli-obk Feb 2, 2022

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And only after monomorphization. Nothing is actually done on generic constants, even if we could attempt it nowadays

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@XrXr XrXr Feb 5, 2022

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I pushed d0b33a2 and 37e3c15 to try to explain this.


```rust
struct Struct;
Expand Down Expand Up @@ -381,5 +381,4 @@ fn main() {
[regular function parameters]: functions.md#attributes-on-function-parameters
[generic parameters]: generics.md
[where clauses]: generics.md#where-clauses
[free]: ../glossary.md#free-item
[constant evaluation]: ../const_eval.md