jiminy-core 0.17.0

Core systems layer for Jiminy: account layout, zero-copy IO, validation, PDA, sysvar access, math, time checks. Declarative macros for error codes, instruction dispatch, and account uniqueness. no_std, no_alloc, no proc macros, BPF-safe.
Documentation 
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//! Packed-layout helpers for forward-compatible state.

pub use crate::state::ExtensionRegion;

/// Alias for explicitly reserved bytes at the end of a layout.
pub type ReservedBytes<const N: usize> = ExtensionRegion<N>;