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refactor: use std range formatting instead of cth::str::to_string - #10
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October 6, 2026 11:46
C++23 formats ranges of any formattable type. The cth formatter took over every range, split strings into characters, prefixed the output with cth::str::printable_rng and rejected the std range format specs.
Guards against cth taking over std range formatting again.
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C++23 formats ranges of any formattable type (
vectorofCTH_FORMAT_CLASStypes, nested ranges,map,set,pair, views,{:n},{::}). The cth formatter (CTH_FORMAT_CPT(cth::str::printable_rng, cth::str::to_string)) predates that and took over every range:vector<string>{"oaf", "farthest"}printed ascth::str::printable_rng{[[o, a, f], [f, a, r, t, h, e, s, t]]}{::}did not compileRemoved the formatter,
cth::str::to_string(range)andprintable_rngwith their tests. Nothing else in cth used them.