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| author | metagn <metagngn@gmail.com> | 2023-09-01 07:26:53 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-09-01 06:26:53 +0200 |
| commit | ba158d73dc23fb6e61ebe88f6485f95c8dcb96c2 (patch) | |
| tree | b81216df57196946115e4219322b712ddefa5d79 /tests/parser/ttupleunpack.nim | |
| parent | b3912c25d3dcb78bc1c8f7d6acc3c512964d3ea8 (diff) | |
| download | Nim-ba158d73dc23fb6e61ebe88f6485f95c8dcb96c2.tar.gz | |
type annotations for variable tuple unpacking, better error messages (#22611)
* type annotations for variable tuple unpacking, better error messages closes #17989, closes https://github.com/nim-lang/RFCs/issues/339 * update grammar * fix test
Diffstat (limited to 'tests/parser/ttupleunpack.nim')
| -rw-r--r-- | tests/parser/ttupleunpack.nim | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/parser/ttupleunpack.nim b/tests/parser/ttupleunpack.nim index 860ef66cf..993501fbb 100644 --- a/tests/parser/ttupleunpack.nim +++ b/tests/parser/ttupleunpack.nim @@ -75,3 +75,20 @@ block: # unary assignment unpacking var a: int (a,) = (1,) doAssert a == 1 + +block: # type annotations + block: # basic + let (a, b): (int, int) = (1, 2) + doAssert (a, b) == (1, 2) + block: # type inference + let (a, b): (byte, float) = (1, 2) + doAssert (a, b) == (1.byte, 2.0) + block: # type mismatch + doAssert not (compiles do: + let (a, b): (int, string) = (1, 2)) + block: # nested + let (a, (b, c)): (int, (int, int)) = (1, (2, 3)) + doAssert (a, b, c) == (1, 2, 3) + block: # nested type inference + let (a, (b, c)): (byte, (float, cstring)) = (1, (2, "abc")) + doAssert (a, b, c) == (1.byte, 2.0, cstring"abc") |