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Diffstat (limited to 'sqlglot/helper.py')
| -rw-r--r-- | sqlglot/helper.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sqlglot/helper.py b/sqlglot/helper.py index 8c5808d..ed37e6c 100644 --- a/sqlglot/helper.py +++ b/sqlglot/helper.py @@ -385,3 +385,11 @@ def dict_depth(d: t.Dict) -> int: except StopIteration: # d.values() returns an empty sequence return 1 + + +def first(it: t.Iterable[T]) -> T: + """Returns the first element from an iterable. + + Useful for sets. + """ + return next(i for i in it) |