configure: don't serialize empty array elements #94819
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Before this change:
$ ./configure --codegen-backends=
[..]
$ grep -P '^codegen-backends' config.toml
codegen-backends = ['']
After this change:
$ ./configure --codegen-backends=
[..]
$ grep -P '^codegen-backends' config.toml
codegen-backends = []
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Mar 11, 2022
Rollup of 5 pull requests Successful merges: - rust-lang#93293 (Implement `MIN`/`MAX` constants for non-zero integers) - rust-lang#94356 (Rename unix::net::SocketAddr::from_path to from_pathname and stabilize it) - rust-lang#94765 (Rename is_{some,ok,err}_with to is_{some,ok,err}_and.) - rust-lang#94819 (configure: don't serialize empty array elements) - rust-lang#94826 (Improve doc wording for retain on some collections) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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