On Mon, Sep 20, 2021 at 1:07 PM Patrick Reader <_...@pxeger.com> wrote:
> > The current restrictions will also confuse some users (e.g. those used > to bash, and IIRC JS, where the rules are similar as what Pablo is > proposing). > > -- > > --Guido van Rossum (python.org/~guido <http://python.org/~guido>) > > WRT the similar syntax in bash (and similar shells), there are two options: > > "string `code` string" > > "string $(code) string" > > The latter, $(), allows fully-featured nesting in the way Pablo is > suggesting: > > "string $(code "string2 $(code2) string2" code) string" > > The former, using backticks, does not allow nesting directly, but it > allows extra backslashes inside the backticks to escape the nested ones, > like this: > > "string `code "string2 \`code2\` string2" code` string" > > This can be nested infinitely using lots of backslashes. Is this worth > considering as another option? It doesn't have the disadvantage of > complicating lexing (as much), although nesting with backslashes is quite > ugly. IMO nesting things in f-strings would be ugly anyway, so I don't > think that would matter too much. > F-strings are more like $(...), since the interpolation syntax uses {...} delimiters. So it probably should work that way. JS interpolation works that way too, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals#nesting_templates . I wouldn't want to do anything to bring `backticks` back in the language. -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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