typhoon-context 0.3.0

Context extractors
Documentation 
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use {
    crate::HandlerContext,
    solana_account_view::AccountView,
    solana_address::Address,
    typhoon_errors::Error,
    typhoon_traits::{Accessor, BytemuckStrategy},
};

pub type ArgData<'a, T, S> = <S as Accessor<'a, T>>::Data;

pub struct Arg<'a, T, S = BytemuckStrategy>(pub ArgData<'a, T, S>)
where
    S: Accessor<'a, T>;

impl<'c, T, S> HandlerContext<'_, '_, 'c> for Arg<'c, T, S>
where
    S: Accessor<'c, T>,
{
    #[inline(always)]
    fn from_entrypoint(
        _program_id: &Address,
        _accounts: &mut &[AccountView],
        instruction_data: &mut &'c [u8],
    ) -> Result<Self, Error> {
        Ok(Self(S::read(instruction_data)?))
    }
}