feat: add logical AND (&) and OR (|) operators#15
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…luation Prefix syntax: &a b (AND), |a b (OR). Both short-circuit: AND skips right operand when left is falsy, OR skips when left is truthy. Implemented across lexer, parser, VM (jump-based), interpreter, and Python codegen. Includes constant folding for boolean literals.
danieljohnmorris
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May 21, 2026
feat(slc): accept end=-1 as 'to end' sugar (#15)
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Summary
&a b(logical AND) and|a b(logical OR) with prefix syntaxAmp/Pipetokens), parser, AST (BinOp::And/BinOp::Or), VM (jump-based short-circuit), interpreter, and Python codegenTest plan
cargo test— all 121 tests passcargo clippy— cleanBinOp::And/BinOp::Orfrom&/|tokens&false xreturns false without evaluating x;|true xreturns true without evaluating xand/orkeywords