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[Revision] SE-0253: Introduce callables. #1037

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Merged
merged 11 commits into from
May 4, 2019
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[Revision] SE-0253: Introduce callables. #1037

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8d7d386
Callable take two.
rxwei Apr 26, 2019
ae3a6dc
Minor improvements.
rxwei Apr 26, 2019
b4ebd14
Typo fix.
rxwei Apr 26, 2019
bcf3a82
Address comments.
rxwei Apr 26, 2019
65b9f0b
More fixes.
rxwei Apr 26, 2019
8548d51
Fix wording.
rxwei Apr 26, 2019
5b53b3e
Simplify alternatives.
rxwei Apr 26, 2019
005c4c1
Address comments.
rxwei Apr 27, 2019
72ede1b
Rename title.
rxwei Apr 27, 2019
bf09493
Small fix.
rxwei Apr 27, 2019
7db03fe
Amend implicit conversions section.
rxwei Apr 27, 2019
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Minor improvements.
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@rxwei
rxwei committed Apr 26, 2019
commit ae3a6dc94cd8d7a956dd1f67f26cc04fd7bf0bcc
6 changes: 3 additions & 3 deletions proposals/0253-callable.md
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Expand Up @@ -565,8 +565,6 @@ struct Adder: Callable {

We feel this approach is not ideal for the same reasons as the marker type attribute. A marker protocol by itself is not meaningful and the name for call-syntax delegate methods is informal. Additionally, protocols should represent particular semantics, but call-*syntax* behavior has no inherent semantics.

In comparison, `call` methods have a formal representation in the language and exactly indicate callable behavior (unlike a marker attribute or protocol).

### Alternative names for call-syntax delegate methods

In addition to `call`, there are other names that can be used to denote the
Expand Down Expand Up @@ -599,8 +597,10 @@ called "function calls".
describing the precise functionality while not having a strong implication
about the function's side-effects.

> **call**:
> **call**
>
> _v._ Cause (a subroutine) to be executed.
>
> _n._ A command to execute a subroutine.

### Unify callable functionality with `@dynamicCallable`
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