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authorringabout <43030857+ringabout@users.noreply.github.com>2023-02-16 10:23:35 +0800
committerGitHub <noreply@github.com>2023-02-16 10:23:35 +0800
commitfc7385bfda7b3af93aa57c5cf446a90b470de348 (patch)
tree9c28d07b361475d28b1a1a3f17c8992db27e6530 /tests/discard
parentc91ef1a09f3284315e9e66c32532f5a8e3ba9297 (diff)
downloadNim-fc7385bfda7b3af93aa57c5cf446a90b470de348.tar.gz
fixes #21360; discarding empty seqs/arrays now raises errors (#21374)
* discarding empty seqs now raises errors

* the same goes for sets
Diffstat (limited to 'tests/discard')
-rw-r--r--tests/discard/tillegaldiscardtypes.nim14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/discard/tillegaldiscardtypes.nim b/tests/discard/tillegaldiscardtypes.nim
new file mode 100644
index 000000000..b7877bcd2
--- /dev/null
+++ b/tests/discard/tillegaldiscardtypes.nim
@@ -0,0 +1,14 @@
+discard """
+  cmd: "nim check $file"
+  errormsg: "statement returns no value that can be discarded"
+  nimout: '''
+tillegaldiscardtypes.nim(11, 3) Error: statement returns no value that can be discarded
+tillegaldiscardtypes.nim(12, 3) Error: statement returns no value that can be discarded
+'''
+"""
+
+proc b(v: int) = # bug #21360
+  discard @[]
+  discard []
+
+b(0)
\ No newline at end of file