fvm_shared 4.8.2

Filecoin Virtual Machine shared types and functions
Documentation 
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// Copyright 2021-2023 Protocol Labs
// Copyright 2019-2022 ChainSafe Systems
// SPDX-License-Identifier: Apache-2.0, MIT

/// Epoch number of a chain. This acts as a proxy for time within the VM.
pub type ChainEpoch = i64;

/// Const used within the VM to denote an unset `ChainEpoch`
pub const EPOCH_UNDEFINED: ChainEpoch = -1;