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[Ruby 3.4] warn/error passing a block to a method which never use a block#1286

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andrykonchin merged 2 commits into
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ak/add-specs-for-warning-about-not-used-block-argument
Oct 4, 2025
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[Ruby 3.4] warn/error passing a block to a method which never use a block#1286
andrykonchin merged 2 commits into
masterfrom
ak/add-specs-for-warning-about-not-used-block-argument

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Changes:

Passing a block to a method which doesn't use the passed block will show
a warning on verbose mode (-w).
In connection with this, a new strict_unused_block warning category was introduced.
Turn them on with -W:strict_unused_block or Warning[:strict_unused_block] = true.
[Feature #15554]

@andrykonchin andrykonchin force-pushed the ak/add-specs-for-warning-about-not-used-block-argument branch from e92bbc0 to 1a6e881 Compare October 1, 2025 19:51
@andrykonchin andrykonchin merged commit 6267cc7 into master Oct 4, 2025
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@andrykonchin andrykonchin deleted the ak/add-specs-for-warning-about-not-used-block-argument branch October 4, 2025 14:26
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