Collection expressions: add spreads section #7664
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| The `GetEnumerator` method identified in the compile-time processing may be an extension method. | ||
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| The `Current` property identified in the compile-time processing may be *ref returning*. |
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do we need language talking about when teh expression that is being spread is evaluated, versus when teh values are enumerated, and what guarantees there are (or are not) around that? (or does that already exist?
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The order of evaluation should be covered in the Construction section that follows this one.
CyrusNajmabadi
approved these changes
Nov 8, 2023
jnm2
approved these changes
Nov 8, 2023
| @@ -129,7 +129,7 @@ The following implicit *collection expression conversions* exist from a collecti | |||
| In the cases above, a collection expression *element* `Ei` is considered to have an *implicit conversion* to *type* `T` if: | |||
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| * `Ei` is an *expression element* and there is an implicit conversion from `Ei` to `T`. | |||
| * `Ei` is a *spread element* `Si` and there is an implicit conversion from the *iteration type* of `Si` to `T`. | |||
| * `Ei` is a *spread element* and there is an implicit conversion from the *iteration type* of the spread element *collection* to `T`. | |||
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The term 'collection' surprises me a bit since any enumerable can be spread, and not all enumerables are collections.
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