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use crate::error::Error;
pub trait UnwindRule: Copy + core::fmt::Debug {
type UnwindRegs;
fn exec<F>(
self,
is_first_frame: bool,
regs: &mut Self::UnwindRegs,
read_stack: &mut F,
) -> Result<Option<u64>, Error>
where
F: FnMut(u64) -> Result<u64, ()>;
fn rule_for_stub_functions() -> Self;
fn rule_for_function_start() -> Self;
fn fallback_rule() -> Self;
}