8544a66257
There are some rare situations with completely symmetrical graphs which mean that there isn't a "more correct" error. This is due to the annoying map iteration non-determinism, and so instead of fighting to remove every bit of that, let's just accept more than one error here.
15 lines
486 B
Plaintext
15 lines
486 B
Plaintext
-- main.mcl --
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# $id could theoretically have type func(int) int or func(str) str, but it
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# can't be both because it is bound to a variable, which must have a single
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# type.
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$id = func($x) {$x}
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test "test1" {
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int8 => $id(42),
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}
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test "test2" {
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anotherstr => $id("hello"),
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}
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-- OUTPUT --
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# err: errUnify: unify error with: topLevel(singleton(func(x) { var(x) })): type error: str != int
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# err: errUnify: unify error with: topLevel(singleton(func(x) { var(x) })): type error: int != str
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