google-research

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# coding=utf-8
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# Copyright 2024 The Google Research Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Type annotations."""
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from typing import Any, Callable
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import chex
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import jax.numpy as jnp
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# Typing a PyTree is non-trivial, so we do not attempt it for now.
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PyTreeLike = Any
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# Represents a dict[str, array]
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Dataset = dict[str, chex.Array]
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ActivationFunction = Callable[[chex.Array], chex.Array]
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LossFunction = Callable[[chex.Array, chex.Array], jnp.float_]
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