[ruby-core:109722] [Ruby master Feature#18980] Re-reconsider numbered parameters: `it` as a default block parameter
From:
"jeremyevans0 (Jeremy Evans)" <noreply@...>
Date:
2022-08-26 23:32:35 UTC
List:
ruby-core #109722
SXNzdWUgIzE4OTgwIGhhcyBiZWVuIHVwZGF0ZWQgYnkgamVyZW15ZXZhbnMwIChKZXJlbXkgRXZh bnMpLgoKCklmIHdlIGFyZSBjb25zaWRlcmluZyBhbiBhbHRlcm5hdGl2ZSB0byBgXzFgLCBJJ20g Z29pbmcgdG8gdm90ZSBhZ2FpbiBmb3IgYEBgIChiYXJlIGF0IHNpZ24pIChvcmlnaW5hbGx5IHBy b3Bvc2VkIGluIGh0dHBzOi8vYnVncy5ydWJ5LWxhbmcub3JnL2lzc3Vlcy80NDc1I25vdGUtMTAp LiAgVGhpcyBpcyBjdXJyZW50bHkgaW52YWxpZCBzeW50YXgsIHNvIHRoZXJlIGlzIG5vIHBvc3Np YmlsaXR5IG9mIGJhY2t3YXJkcyBjb21wYXRpYmlsaXR5IGlzc3VlcyB3aGVuIHVzaW5nIGl0LiAg SSB0aGluayBpdCB3b3VsZCBhbHNvIGRvIGEgYmV0dGVyIGpvYiBvZiBzdGFuZGluZyBvdXQgdGhh biBgaXRgLCB3aGljaCBhcHBlYXJzIHRvIGJlIGEgbm9ybWFsIGxvY2FsIHZhcmlhYmxlLgoKLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQpGZWF0dXJlICMxODk4MDogUmUt cmVjb25zaWRlciBudW1iZXJlZCBwYXJhbWV0ZXJzOiBgaXRgIGFzIGEgZGVmYXVsdCBibG9jayBw YXJhbWV0ZXIKaHR0cHM6Ly9idWdzLnJ1YnktbGFuZy5vcmcvaXNzdWVzLzE4OTgwI2NoYW5nZS05 ODk1NwoKKiBBdXRob3I6IGswa3VidW4gKFRha2FzaGkgS29rdWJ1bikKKiBTdGF0dXM6IE9wZW4K KiBQcmlvcml0eTogTm9ybWFsCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0KIyMgUHJvYmxlbQpOdW1iZXJlZCBwYXJhbWV0ZXJzIChgXzFgLCBgXzJgLCAuLi4pIGxvb2sg bGlrZSB1bnVzZWQgbG9jYWwgdmFyaWFibGVzIGFuZCBJIGRvbid0IGZlZWwgbW90aXZhdGVkIHRv IHVzZSB0aGVtLCBldmVuIHRob3VnaCBJIG5lZWQgdGhpcyBmZWF0dXJlIHZlcnkgb2Z0ZW4gYW5k IGFsd2F5cyBjb21lIHVwIHdpdGggYF8xYC4KCmBgYHJiClsxLCAyLCAzXS5lYWNoIHsgcHV0cyBf MSB9CmBgYAoKSSBoYXZlIGJhcmVseSB1c2VkIGl0IGluIHRoZSBsYXN0IDJ+MyB5ZWFycyBiZWNh dXNlIGl0IGxvb2tzIGxpa2UgYSBjb21wcm9taXNlZCBzeW50YXguIEkgZXZlbiBoZXNpdGF0ZSB0 byB1c2UgaXQgb24gSVJCLgoKIyMjIFdoeSBJIGRvbid0IHVzZSBgXzFgCgpJJ20gbm90IGNsZXZl ciBlbm91Z2ggdG8gcmVtZW1iZXIgdGhlIG9yZGVyIG9mIHBhcmFtZXRlcnMuIFRoZXJlZm9yZSwg d2hlbiBhIGJsb2NrIGhhcyBtdWx0aXBsZSBwYXJhbWV0ZXJzLCBJJ2QgYWx3YXlzIHdhbnQgdG8g bmFtZSB0aG9zZSBwYXJhbWV0ZXJzIGJlY2F1c2Ugd2hpY2ggaXMgYF8xYCBvciBgXzJgIGlzIG5v dCBpbW1lZGlhdGVseSBvYnZpb3VzLiBUaHVzIEkgd291bGQgdXNlIHRoaXMgZmVhdHVyZSBvbmx5 IHdoZW4gYSBibG9jayB0YWtlcyBhIHNpbmdsZSBhcmd1bWVudCwgd2hpY2ggaXMgYWN0dWFsbHkg cHJldHR5IGNvbW1vbi4gCgpJZiBJIHVzZSBgXzFgLCBpdCBmZWVscyBsaWtlIHRoZXJlIG1pZ2h0 IGJlIGEgc2Vjb25kIGFyZ3VtZW50LCBhbmQgeW91IG1pZ2h0IHdhc3RlIHRpbWUgdG8gdGhpbmsg YWJvdXQgYF8yYCwgZXZlbiBpZiBgXzJgIGRvZXNuJ3QgZXhpc3QsIHdoaWNoIGlzIGEgY29nbml0 aXZlIG92ZXJoZWFkLiBJZiB5b3UgdXNlIGBpdGAsIGl0IGtpbmRhIGltcGxpZXMgdGhlcmUncyBv bmx5IGEgc2luZ2xlIGFyZ3VtZW50LCBzbyB5b3UgZG9uJ3QgbmVlZCB0byBzcGVuZCB0aW1lIHJl bWVtYmVyaW5nIHdoZXRoZXIgYF8yYCBleGlzdHMgb3Igbm90LiBJdCBpcyBpbXBvcnRhbnQgZm9y IG1lIHRoYXQgdGhlcmUncyBubyBudW1iZXIgaW4gYGl0YC4KCiMjIFByb3Bvc2FsCkhvcGluZyB0 byBpbnRyb2R1Y2UgYGl0YCBhcyBhbiBhbHRlcm5hdGl2ZSB0byBgXzFgIGxhdGVyLCBleHBlcmlt ZW50IHdpdGggd2FybmluZyBgI2l0YCBtZXRob2QgY2FsbHMgd2l0aG91dCBhbnkgYXJndW1lbnRz IG9yIGJsb2Nrcy4KCklmIG5vYm9keSBzZWVzIHNlcmlvdXMgcHJvYmxlbXMgYWZ0ZXIgc29tZSB3 YXJuaW5nIHBlcmlvZCwgd2UnbGwgaW1wbGVtZW50IGBpdGAgYXMgZm9sbG93czoKCiMjIyBTcGVj aWZpY2F0aW9uCgpgYGByYgpbMSwgMiwgM10uZWFjaCB7IHB1dHMgaXQgfQpgYGAKCmBpdGBzIGJl aGF2aW9yIHNob3VsZCBiZSBhcyBjbG9zZSB0byBgXzFgIGFzIHBvc3NpYmxlLiBgaXRgIHNob3Vs ZCB0cmVhdCBhcnJheSBhcmd1bWVudHMgaW4gdGhlIHNhbWUgd2F5IGFzIGBfMWAuIGBpdGAgZG9l c24ndCB3b3JrIGluIGEgYmxvY2sgd2hlbiBhbiBvcmRpbmFyeSBwYXJhbWV0ZXIgaXMgZGVmaW5l ZC4gYGl0YCBpcyBpbXBsZW1lbnRlZCBhcyBhIHNwZWNpYWwgY2FzZSBvZiBgZ2V0bG9jYWxgIGlu c24sIG5vdCBhIG1ldGhvZC4gYGl0YCB3aXRob3V0IGFuIGFyZ3VtZW50IGlzIGNvbnNpZGVyZWQg YF8xYCBvciBhIG5vcm1hbCBsb2NhbCB2YXJpYWJsZSBpZiBkZWZpbmVkLiBgaXRgIGlzIGNvbnNp ZGVyZWQgYSBtZXRob2QgY2FsbCBvbmx5IHdoZW4gaXQgaGFzIGFueSBwb3NpdGlvbmFsL2tleXdv cmQvYmxvY2sgYXJndW1lbnRzLgoKIyMgUGFzdCBkaXNjdXNzaW9ucwoqIFtGZWF0dXJlICM0NDc1 XSBkZWZhdWx0IHZhcmlhYmxlIG5hbWUgZm9yIHBhcmFtZXRlcjogUHJvcG9zZWQgYGl0YCwgYW5k IG1lcmdlZCBhcyBgQDFgLgogICogMjAxOS8wMy8xMzogW0RldmVsb3BlcnNNZWV0aW5nMjAxOTAz MTFKYXBhbl0oaHR0cHM6Ly9kb2NzLmdvb2dsZS5jb20vZG9jdW1lbnQvZC9lLzJQQUNYLTF2VFVD bWo3YVVkbk1BZHVuRzBBWm8wQWRXSy05anZmWGNCN0RXWW16R3RtUGMwSXVJUEduN2VMQVJvUjV0 QmQ2WFVVQjA4Vy1oSDc0ay1UL3B1YikKICAqIDIwMTkvMDQvMTc6IFtEZXZlbG9wZXJzTWVldGlu ZzIwMTkwNDE3SmFwYW5dKGh0dHBzOi8vZG9jcy5nb29nbGUuY29tL2RvY3VtZW50L2QvMWh3Nlhj YThhckc2YjBWNjN6dlduTkV0eElqRWpFVnpTMTBLWEdoelpwSTgvcHViKQogICogMjAxOS8wNC8y MDogW1J1YnkgQ29tbWl0dGVycyB2cyB0aGUgV29ybGRdKGh0dHBzOi8veW91dHUuYmUvNWVBWEFV VHROWVU/dD0zMTE4KQoqIFtGZWF0dXJlICMxNTcyM10gUmVjb25zaWRlciBudW1iZXJlZCBwYXJh bWV0ZXJzOiBSZW5hbWVkIGBAMWAgdG8gYF8xYC4KICAqIDIwMTkvMDgvMjk6IFtEZXZlbG9wZXJz TWVldGluZzIwMTkwODI5SmFwYW5dKGh0dHBzOi8vZG9jcy5nb29nbGUuY29tL2RvY3VtZW50L2Qv MVh5cERPMWNyUlY5dU5nMV9hanhrbGpWZE44VmR5bDVobno0NjJiRFF3MzQvZWRpdD91c3A9c2hh cmluZykKKiBbRmVhdHVyZSAjMTU4OTddIGBpdGAgYXMgYSBkZWZhdWx0IGJsb2NrIHBhcmFtZXRl cjogUHJvcG9zZWQgYGl0YCwgYW5kIGdvdCBjbG9zZWQgYmVjYXVzZSBgXzFgIHdhcyBtZXJnZWQu CgojIyMgQ29tcGF0aWJpbGl0eQoKYGl0YCBoYXMgbm90IG5lY2Vzc2FyaWx5IGJlZW4gcmVqZWN0 ZWQgYnkgTWF0ejsgaGUganVzdCBzYWlkIFtpdCdzIGRpZmZpY3VsdCB0byBrZWVwIGNvbXBhdGli aWxpdHldKGh0dHBzOi8vYnVncy5ydWJ5LWxhbmcub3JnL2lzc3Vlcy80NDc1I25vdGUtNikgYW5k IFtgaXRgIG9yIGB0aGlzYCBfY291bGRfIGJyZWFrIGV4aXN0aW5nIGNvZGVdKGh0dHBzOi8vYnVn cy5ydWJ5LWxhbmcub3JnL2lzc3Vlcy8xNTcyMyNub3RlLTIpLiBJdCBmZWVscyBsaWtlIGV2ZXJ5 Ym9keSB0aGlua3MgYGl0YCBpcyB0aGUgbW9zdCBiZWF1dGlmdWwgb3B0aW9uIGJ1dCBpcyBub3Qg c3VyZSBpZiBgaXRgIGJyZWFrcyBjb21wYXRpYmlsaXR5LiBCdXQsIGluIHJlYWxpdHksIGRvZXMg YGl0YD8KClRoZSBmb2xsb3dpbmcgY2FzZXMgaGF2ZSBiZWVuIGRpc2N1c3NlZDoKCiogYGl0YCBt ZXRob2QsIG1vc3QgZmFtb3VzbHkgaW4gUlNwZWM6IFlvdSBhbG1vc3QgYWx3YXlzIHBhc3MgYSBw b3NpdGlvbmFsIGFuZC9vciBibG9jayBhcmd1bWVudCB0byBSU3BlYydzIGBpdGAsIHNvIHRoZSBj b25mbGljdCBpcyBhdm9pZGVkIHdpdGggbXkgcHJvcG9zYWwuIFlvdSB2aXJ0dWFsbHkgbmV2ZXIg dXNlIGEgY29tcGxldGVseSBuYWtlZCBgaXRgIChbY29tbWVudF0oaHR0cHM6Ly9idWdzLnJ1Ynkt bGFuZy5vcmcvaXNzdWVzLzE1ODk3I25vdGUtMjkpKS4KKiBgaXRgIGxvY2FsIHZhcmlhYmxlOiBX aXRoIHRoZSBzcGVjaWZpY2F0aW9uIGluIG15IHByb3Bvc2FsLCB0aGUgZXhpc3RpbmcgY29kZSBj YW4gY29udGludWUgdG8gd29yayBpZiB3ZSBjb25zaWRlciBgaXRgIGFzIGEgbG9jYWwgdmFyaWFi bGUgd2hlbiBkZWZpbmVkLgoKV2l0aCB0aGUgc3BlY2lmaWNhdGlvbiBpbiBteSBwcm9wb3NhbCwg ZXhpc3RpbmcgY29kZSBzZWVtcyB0byBicmVhayBpZiBhbmQgb25seSBpZiB5b3UgY2FsbCBhIG1l dGhvZCBgI2l0YCB3aXRob3V0IGFuIGFyZ3VtZW50LiBCdXQgaXQgc2VlbXMgcHJldHR5IHJhcmUg KHJlbWluZGVyOiBhIGJsb2NrIGdpdmVuIHRvIGFuIFJTcGVjIHRlc3QgY2FzZSBpcyBhbHNvIGFu IGFyZ3VtZW50KS4gSXQgYWxtb3N0IGZlZWxzIGxpa2UgcGVvcGxlIGFyZSB0b28gYWZyYWlkIG9m IGNvbXBhdGliaWxpdHkgcHJvYmxlbXMgdGhhdCBiYXJlbHkgZXhpc3Qgb3IgaGF2ZSBub3QgcmVh bGx5IHRob3VnaHQgYWJvdXQgb3B0aW9ucyB0byBhZGRyZXNzIHRoZW0uCgpBbHNvLCB5b3UgY291 bGQgYWx3YXlzIGV4cGVyaW1lbnQgd2l0aCBqdXN0IHNob3dpbmcgd2FybmluZ3MsIHdoaWNoIGRv ZXNuJ3QgYnJlYWsgYW55IGNvbXBhdGliaWxpdHkuIEV2ZW4gaWYgaXQgdGFrZXMgMn4zIHllYXJz IG9mIGEgd2FybmluZyBwZXJpb2QsIEknZCBiZSBoYXBweSB0byB1c2UgdGhhdCBpbiAzIHllYXJz LgoKIyMjIENvbmZ1c2lvbgpXZSBzaG91bGQgc2VwYXJhdGVseSBkaXNjdXNzIGluY29tcGF0aWJs ZSBjYXNlcyBhbmQgIndvcmtzIGJ1dCBjb25mdXNpbmciIGNhc2VzLiBQb3RlbnRpYWwgY29uZnVz aW9uIHBvaW50czoKCiogUlNwZWMncyBgaXQgInRlc3RzIHNvbWV0aGluZyIgZG8gLi4uIGVuZGAg dnMgYGl0YCBpbnNpZGUgdGhlIGBkbyAuLi4gZW5kYAoqIGBpdGAgY291bGQgYmUgYSBsb2NhbCB2 YXJpYWJsZSBvciBgXzFgLCBkZXBlbmRpbmcgb24gdGhlIHNpdHVhdGlvbgoKTXkgdHdvIGNlbnRz OiBZb3UnZCByYXJlbHkgbmVlZCB0byB3cml0ZSBgaXRgIGRpcmVjdGx5IHVuZGVyIFJTcGVjJ3Mg YGl0YCBibG9jaywgYW5kIHlvdSB3b3VsZCBqdXN0IG5hbWUgYSBibG9jayBhcmd1bWVudCBmb3Ig dGhhdCBjYXNlLiBJbiBhIG5lc3RlZCBibG9jayB1bmRlciBhIHRlc3QgY2FzZSwgSSBkb24ndCB0 aGluayB5b3UnZCBmZWVsIGBpdGAgaXMgUlNwZWMncy4gV2hlbiB5b3UgdXNlIGEgbG9jYWwgdmFy aWFibGUgYGl0ID0gMWAsIHlvdSdkIHVzZSB0aGUgbG9jYWwgdmFyaWFibGUgaW4gYSB2ZXJ5IHNt YWxsIHNjb3BlIG9yIGZldyBsaW5lcyBiZWNhdXNlIG90aGVyd2lzZSwgaXQnZCBiZSB2ZXJ5IGhh cmQgdG8gZmlndXJlIG91dCB3aGF0IHRoZSBsb2NhbCB2YXJpYWJsZSBoYXMgYW55d2F5LiBTbyB5 b3UnZCBsaWtlbHkgc2VlIHRoZSBhc3NpZ25tZW50IGBpdCA9IDFgIG5lYXIgdGhlIHVzZSBvZiB0 aGUgbG9jYWwgdmFyaWFibGUgYW5kIHlvdSBjb3VsZCBlYXNpbHkgbm90aWNlIGBpdGAgaXMgbm90 IGBfMWAuIElmIG5vdCwgc3VjaCBjb2RlIHdvdWxkIGJlIGNvbmZ1c2luZyBhbmQgZnJhZ2lsZSBl dmVuIHdpdGhvdXQgdGhpcyBmZWF0dXJlLiBUaGUgc2FtZSBhcHBsaWVzIHdoZW4gYGl0YCBpcyBh IG1ldGhvZC9ibG9jayBhcmd1bWVudC4KCkkgYmVsaWV2ZSBpdCB3b3VsZG4ndCBiZSBhcyBjb25m dXNpbmcgYXMgc29tZSBwZW9wbGUgdGhpbmssIGFuZCB5b3UgY2FuIGFsd2F5cyBjaG9vc2UgdG8g bm90IHVzZSBgaXRgIGluIHBsYWNlcyB3aGVyZSBgaXRgIGlzIGNvbmZ1c2luZy4KCgoKLS0gCmh0 dHBzOi8vYnVncy5ydWJ5LWxhbmcub3JnLwoKVW5zdWJzY3JpYmU6IDxtYWlsdG86cnVieS1jb3Jl LXJlcXVlc3RAcnVieS1sYW5nLm9yZz9zdWJqZWN0PXVuc3Vic2NyaWJlPgo8aHR0cDovL2xpc3Rz LnJ1YnktbGFuZy5vcmcvY2dpLWJpbi9tYWlsbWFuL29wdGlvbnMvcnVieS1jb3JlPgo=