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Type-mixed comparisons were silently inconsistent:
<("hello", 5) => no result, no error (silent false)
<(a, 5) => raises "Expected number, got symbol"
Both should fail loudly with a comprehensible message. Added
dl-compare-typeok?: <, <=, >, >= now require both operands to share
a primitive type (both numbers or both strings) and raise a clear
"comparison <op> requires same-type operands" error otherwise.
`!=` is exempted because it's the polymorphic inequality test
built on dl-tuple-equal? — cross-type pairs are legitimately unequal
and the existing semantics for that case match user intuition.
2 new regression tests; conformance 267/267.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
421 B
421 B
datalog scoreboard
267 / 267 passing (0 failure(s)).
| Suite | Passed | Total | Status |
|---|---|---|---|
| tokenize | 30 | 30 | ok |
| parse | 22 | 22 | ok |
| unify | 29 | 29 | ok |
| eval | 40 | 40 | ok |
| builtins | 26 | 26 | ok |
| semi_naive | 8 | 8 | ok |
| negation | 10 | 10 | ok |
| aggregates | 23 | 23 | ok |
| api | 22 | 22 | ok |
| magic | 36 | 36 | ok |
| demo | 21 | 21 | ok |