Files
hakorune/apps/tests/phase188_string_append_literal.hako
nyash-codex a2933880ae feat(joinir): Phase 188 StringAppend support in Pattern2/4
- Extended Pattern2/4 whitelist to accept StringLiteral updates
- CarrierUpdateEmitter now emits JoinIR for string append
- Selective Fail-Fast: accept safe patterns, reject complex

Changes:
- pattern2_with_break.rs: StringLiteral whitelist
- pattern4_with_continue.rs: StringLiteral whitelist
- carrier_update_emitter.rs: StringLiteral JoinIR emission

Tests:
- phase188_string_append_char.hako
- phase188_string_append_literal.hako
- 10/10 carrier_update_emitter tests PASS

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-09 01:09:54 +09:00

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// Phase 188: String append with literal
// Pattern: s = s + "y" (StringAppendLiteral)
// Pattern 4: Loop with continue
static box SAppendLit {
method main() {
local s = ""
local i = 0
loop(i < 5) {
i = i + 1
if i > 3 {
continue
}
s = s + "y"
}
print(s) // Expected: "yyy"
}
}