RFR: JDK-8285932 Implementation of JEP-430 String Templates (Preview) [v13]

[Rémi Forax]

On Thu, 3 Nov 2022 17:23:53 GMT, Jim Laskey <jlaskey at openjdk.org> wrote:

>> Enhance the Java programming language with string templates, which are similar to string literals but contain embedded expressions. A string template is interpreted at run time by replacing each expression with the result of evaluating that expression, possibly after further validation and transformation. This is a [preview language feature and API](http://openjdk.java.net/jeps/12).
>
> Jim Laskey has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Internalize FormatConcatItem

src/java.base/share/classes/java/lang/template/TemplateRuntime.java line 159:

> 157:             }
> 158:         }
> 159:         return new SimpleStringTemplate(TemplateRuntime.toList(fragments), TemplateRuntime.toList(values));

Should be
  `return new SimpleStringTemplate(List.copyOf(fragments), TemplateRuntime.toList(values));`
because only a value can be null, a fragment should not be null

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PR: https://git.openjdk.org/jdk/pull/10889