✨ feat(mq-lang): add spread operator for array and dict literals#1960
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✨ feat(mq-lang): add spread operator for array and dict literals#1960harehare wants to merge 4 commits into
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Support `...expr` inside `[...]` and `{...}` literals, splicing an
array's elements or a dict's entries into the enclosing literal at
eval time. Adds lexer/parser/CST support, HIR lowering, type
inference in mq-check, formatter support, and LSP semantic tokens.
- Skip the spread-marker check for non-array/dict builtin calls, since `...expr` can only ever be parsed inside an array/dict literal. - Merge expand_spread's array/dict match arms to drop duplicated None/error handling. - Extract parse_dict's repeated comma/closing-brace tail logic (spread vs. key:value entries) into a shared parse_dict_separator helper.
…rray typing
`[...]`/`{...}` now always expand via the real array/dict builtin even
when array/dict is shadowed by a user-defined function, instead of
leaking the internal spread marker as an unresolved-identifier error.
An array containing a spread element is no longer misclassified as a
fixed-arity Tuple in mq-check; it now stays Array<T>, with genuinely
heterogeneous elements still reported as a type error via unification.
Adds regression tests across mq-lang, mq-check, mq-hir, mq-formatter,
and mq-lsp, plus a shared is_spread_symbol helper to remove duplicated
SymbolKind::Spread checks.
… operator Condense multi-line explanatory comments to single lines and remove comments that only restated the code.
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Close #1945