int had = 0;
        ArrayList<String> items = new ArrayList<>();
        for (O option : options) {
            Optional<List<String>> o = getter.apply(option);
            if (o.isPresent()) {
                had++;
                items.addAll(o.get());
            }
        }
        return had == 0 ? Optional.empty() : Optional.of(List.copyOf(items));
    }

cois
céad
cúig
cúigear
d'
daichead
dar
de
deich
deichniúr
den
dhá
do
don
dtí
dá
dár
dó
faoi
faoin
faoina
faoinár
fara
fiche
gach
gan
go
gur
haon
hocht
i
iad
idir
in
ina
ins
inár
is
le
leis
lena
lenár
m'
mar
mo
mé
na
nach
naoi
naonúr
ná
ní
níor
nó
nócha
ocht
ochtar
os

exemptAssignees: false

# Label to use when marking as stale
staleLabel: stale

# Comment to post when marking as stale. Set to `false` to disable
markComment: >-
  This issue has been automatically marked as stale because it has not had
  recent activity. It will be closed after 15 days if no further activity
  occurs. Thank you for your contributions.
# Comment to post when removing the stale label.
# unmarkComment: >
#   Your comment here.

# Migrate from Pydantic v1 to Pydantic v2 { #migrate-from-pydantic-v1-to-pydantic-v2 }

If you have an old FastAPI app, you might be using Pydantic version 1.

FastAPI version 0.100.0 had support for either Pydantic v1 or v2. It would use whichever you had installed.

FastAPI version 0.119.0 introduced partial support for Pydantic v1 from inside of Pydantic v2 (as `pydantic.v1`), to facilitate the migration to v2.

And you can also declare numeric validations:

* `gt`: `g`reater `t`han
* `ge`: `g`reater than or `e`qual
* `lt`: `l`ess `t`han
* `le`: `l`ess than or `e`qual

/// info

`Query`, `Path`, and other classes you will see later are subclasses of a common `Param` class.

# fips140.sum.

default:
	@echo nothing to make

# make v1.2.3.zip builds a v1.2.3.zip file
# from the current origin/master.
# copy and edit the 'go run' command by hand to use a different branch.
v%.zip:
	git fetch origin master
	go run ../../src/cmd/go/internal/fips140/mkzip.go v$*

# normally mkzip refuses to overwrite an existing zip file.

// (respectively, time of last access and time of last modification; see inode(7))
// do not require flushing because they are not necessary for a subsequent data
// read to be handled correctly. On the other hand, a change to the file size
// (st_size, as made by say ftruncate(2)), would require a metadata flush.
//
// The aim of fdatasync() is to reduce disk activity for applications that

Et vous pouvez également déclarer des validations numériques :

* `gt` : `g`reater `t`han
* `ge` : `g`reater than or `e`qual
* `lt` : `l`ess `t`han
* `le` : `l`ess than or `e`qual

/// info

`Query`, `Path`, et d'autres classes que vous verrez plus tard sont des sous-classes d'une classe commune `Param`.

E você também pode declarar validações numéricas:

* `gt`: maior que (`g`reater `t`han)
* `ge`: maior que ou igual (`g`reater than or `e`qual)
* `lt`: menor que (`l`ess `t`han)
* `le`: menor que ou igual (`l`ess than or `e`qual)

/// info | Informação

## 小結 { #recap }

使用 `Query`、`Path`（以及你尚未看到的其他類別）時，你可以像在[查詢參數與字串驗證](query-params-str-validations.md)中一樣，宣告中繼資料與字串驗證。

你也可以宣告數值驗證：

* `gt`：大於（`g`reater `t`han）
* `ge`：大於或等於（`g`reater than or `e`qual）
* `lt`：小於（`l`ess `t`han）
* `le`：小於或等於（`l`ess than or `e`qual）

/// info

你之後會看到的 `Query`、`Path` 與其他類別，都是共同父類別 `Param` 的子類別。

它們共享你已經看到的那些用於額外驗證與中繼資料的參數。

///

/// note | 技術細節