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Diffstat (limited to 'lib/extensions/iterable_ext.dart')
-rw-r--r-- | lib/extensions/iterable_ext.dart | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/extensions/iterable_ext.dart b/lib/extensions/iterable_ext.dart new file mode 100644 index 0000000..2d0d6e2 --- /dev/null +++ b/lib/extensions/iterable_ext.dart @@ -0,0 +1,25 @@ +// Copyright (C) 2025, uvok cheetah +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. + +extension IterableExt<T> on Iterable<T> { + /// The first element satisfying [test], or `null` if there are none. + // firstWhereOrElse doesn't want to return null. + T? firstWhereOrNull(bool Function(T element) test) { + for (final element in this) { + if (test(element)) return element; + } + return null; + } +} |