Issues

• perf(strings): cache character length and add ASCII fast paths

  timfennis/andy-cpp#220 · Filter by author timfennis opened on Sep 8, 2026

• Bare overloaded functions lose overloads when used as values

  analyzerbuginterpreter
  timfennis/andy-cpp#217 · Filter by author timfennis opened on Sep 3, 2026

• fix(analyser): allow safe dynamic RHS in augmented assignment

  timfennis/andy-cpp#211 · Filter by author timfennis opened on Aug 27, 2026

• json_decode allocates a String for every JSON number

  timfennis/andy-cpp#207 · Filter by author timfennis opened on Aug 26, 2026

• Runtime field-type checks are skipped on Any-mediated constructor and setter calls

  timfennis/andy-cpp#206 · Filter by author timfennis opened on Aug 26, 2026

• Warn when a function name starts with a capital letter

  timfennis/andy-cpp#203 · Filter by author timfennis opened on Aug 26, 2026

• Support positional destructuring of structs

  timfennis/andy-cpp#202 · Filter by author timfennis opened on Aug 26, 2026

• Cyclic values crash recursive Value traversals (Display, Ord, Eq, Hash)

  timfennis/andy-cpp#200 · Filter by author timfennis opened on Aug 26, 2026
  1

• Audit generic "Expected an expression" parser errors

  timfennis/andy-cpp#189 · Filter by author timfennis opened on Aug 18, 2026

• Document or enforce SourceIterator::consume precondition

  timfennis/andy-cpp#186 · Filter by author timfennis opened on Aug 18, 2026

• Improve diagnostic for an if expression missing a semicolon

  timfennis/andy-cpp#184 · Filter by author timfennis opened on Aug 18, 2026

• Reject underscores after a decimal point in numeric literals

  timfennis/andy-cpp#183 · Filter by author timfennis opened on Aug 18, 2026

• Support Unicode escapes in string literals

  timfennis/andy-cpp#182 · Filter by author timfennis opened on Aug 18, 2026

• Warn when if without else discards a value

  timfennis/andy-cpp#181 · Filter by author timfennis opened on Aug 18, 2026

• Type-check logical operator operands as Bool

  timfennis/andy-cpp#179 · Filter by author timfennis opened on Aug 18, 2026

• Diagnose incompatible types in if branches

  timfennis/andy-cpp#180 · Filter by author timfennis opened on Aug 18, 2026

• Interesting benchmark suite to take inspiration from

  timfennis/andy-cpp#178 · Filter by author timfennis opened on Aug 15, 2026

• 🌀 Deeply nested input overflows the stack and aborts the process

  buginterpreter
  timfennis/andy-cpp#175 · Filter by author timfennis opened on Jun 2, 2026

• Reassigning a for-loop variable widens its type via LUB, blocking runtime-dispatchable code

  buginterpreter
  timfennis/andy-cpp#143 · Filter by author timfennis opened on May 24, 2026

• Make op= operators return () instead of lhs

  timfennis/andy-cpp#142 · Filter by author timfennis opened on May 23, 2026

• LSP: expression_types map can hold the wrong type when expression spans collide 🗺️

  timfennis/andy-cpp#137 · Filter by author timfennis opened on May 19, 2026

• 🫸 Type safety: push allows inserting incompatible types into typed containers

  timfennis/andy-cpp#129 · Filter by author timfennis opened on Mar 28, 2026

• 🎲 Memoization cache uses hash-only key — collision risk

  timfennis/andy-cpp#117 · Filter by author timfennis opened on Mar 21, 2026

• ✨ Refactor: box captured variables at declaration (Option B upvalue design)

  enhancementexperiment
  timfennis/andy-cpp#113 · Filter by author timfennis opened on Mar 20, 2026
  1

• 🔢 Perf: O(1) memoization keys for containers via generation counters

  timfennis/andy-cpp#112 · Filter by author timfennis opened on Mar 20, 2026