Some backlog changes from g++-11 adaptation attempts

added 1 commit

• 8c109eda - std: use functional in typeindex

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added 4 commits

• 778348ba - std: introduce ext istream
• bec137c0 - std_ use ext::istream
• 3ab5be8b - str: fix searching for a string parser group
• 4eb4d3b8 - algo: fix MP algo

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added 15 commits

• 4eb4d3b8...2b471285 - 7 commits from branch master
• bdcd00f8 - std: use three-way comparison in map test
• 9973fea6 - std: static check in map move iterator
• 5cf3a49c - std: test map moving
• 678db9e4 - std: use functional in typeindex
• 0e98a45a - std: introduce ext istream
• d837c6e8 - std_ use ext::istream
• b57f5df5 - str: fix searching for a string parser group
• b63c2d59 - algo: fix MP algo

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resolved all discussions

enabled an automatic merge when the pipeline for b63c2d59 succeeds

added 1 commit

• 26df7f28 - algo: Fix some typos in exported documentation

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enabled an automatic merge when the pipeline for 26df7f28 succeeds

Doesn't build in clang :(

added 6 commits

• 024ba91d - std: use ext::istream
• 286e2120 - str: fix searching for a string parser group
• a62ed48f - algo: fix MP algo
• 76c5c6ae - algo: Fix some typos in exported documentation
• 6dd17fa7 - fixup! std: introduce ext istream
• aa343ad2 - fixup! std: use ext::istream

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marked as a Work In Progress from 6dd17fa7

added 5 commits

• 3a1954ab - std: introduce ext istream
• a5cc7e9e - std: use ext::istream
• 76d4ba56 - str: fix searching for a string parser group
• e2929988 - algo: fix MP algo
• e27b2587 - algo: Fix some typos in exported documentation

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unmarked as a Work In Progress

enabled an automatic merge when the pipeline for e27b2587 succeeds

merged