docs(filters): document the none filter literal#326
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Adds the `none` keyword — the always-false companion to the empty filter `f''` — to the filter expression reference. It matches no rows and works for every filter type (string, number, boolean, temporal). Documents `none` (and its negation) in the string, numeric, temporal, and boolean tables, alongside the escaped literal `\none` for matching the string "none" in a string filter. Covers malloydata/malloy#2967. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Documents the
nonefilter literal added in malloydata/malloy#2967 — the always-false companion to the empty filterf''.nonematches no rows and works across every filter type (string, number, boolean, temporal).Updates
src/documentation/language/filter-expressions.malloynb:none(matches nothing) and\none(the literal stringnone) in the examples table;-none(matches everything) in the negation table;\noneadded to the escaping note.nonein the examples table;not nonein the negation table.nonein the ranges table.nonerow (falsefor all inputs) plus a note thatnot nonematches everything.nonenow sits alongside the per-typenullentry that each table already carried, so it reads consistently.🤖 Generated with Claude Code