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Phase 3 cont. Adds:
* go-classify-literal-string — heuristic detection of literal kind
from the value-string (parser strips lexer's kind tag; flagged for
follow-up to extend AST shape).
* go-synth-literal — :ty-untyped-int / -float / -imag / -string.
* go-synth-binop — arithmetic, bitwise, comparison, logical ops with
untyped-constant unification:
untyped-int + untyped-float → untyped-float
untyped + typed → typed
comparison ops → bool
logical ops → bool
* go-untyped? + go-type-assignable? — pluggable assignability that
swaps in where structural equality used to gate go-check. Untyped
int assignable to any numeric type; untyped float assignable to
float/complex; untyped string to string.
**Canonical Go pitfall handled correctly**: `var x float64 = 42 / 7`
parses to a binop, synth produces :ty-untyped-int (since BOTH operands
are untyped, the int division stays in the int domain), and check
against float64 returns :ok via assignability. Wrong implementations
that float-coerce eagerly would give 6.0; the right behaviour is
"compute 6 as int, then convert to float64 = 6.0".
Verified by test "binop: 42 / 7 assignable to float64 (canonical
pitfall)" and the type-only test "binop: 42 / 7 — untyped int".
Sister-plan static-types-bidirectional diary updated with the
**pluggable-assignable-predicate** kit-API proposal:
(check-with assignable? CTX EXPR EXPECTED)
Each consumer plugs in its own variance discipline (Go untyped-flow,
TS structural subtyping, Rust lifetime-aware identity) without
rewriting synth or the judgment skeleton.
types 28/28, total 333/333.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
16 lines
320 B
Markdown
16 lines
320 B
Markdown
# Go-on-SX Scoreboard
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**Total: 333 / 333 tests passing**
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| | Suite | Pass | Total |
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| ✅ | lex | 129 | 129 |
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| ✅ | parse | 176 | 176 |
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| ✅ | types | 28 | 28 |
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| ⬜ | eval | 0 | 0 |
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| ⬜ | runtime | 0 | 0 |
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| ⬜ | stdlib | 0 | 0 |
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| ⬜ | e2e | 0 | 0 |
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Generated by `lib/go/conformance.sh`.
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