Trait scroll::ctx::TryFromCtx

pub trait TryFromCtx<'a, Ctx: Copy = (), This: ?Sized = [u8]> where
    Self: 'a + Sized, {
    type Error;
    type Size;
    fn try_from_ctx(
        from: &'a This, 
        ctx: Ctx
    ) -> Result<(Self, Self::Size), Self::Error>;
}

Tries to read Self from This using the context Ctx

Associated Types

type Error

type Size

Required Methods

fn try_from_ctx(
    from: &'a This,
    ctx: Ctx
) -> Result<(Self, Self::Size), Self::Error>

Implementations on Foreign Types

impl<'a> TryFromCtx<'a, Endian> for u8 where     u8: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for u8 where     u8: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for i8 where     i8: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for i8 where     i8: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for u16 where     u16: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for u16 where     u16: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for i16 where     i16: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for i16 where     i16: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for u32 where     u32: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for u32 where     u32: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for i32 where     i32: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for i32 where     i32: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for u64 where     u64: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for u64 where     u64: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for i64 where     i64: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for i64 where     i64: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for u128 where     u128: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for u128 where     u128: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for i128 where     i128: FromCtx<Endian>,

type Error = Error<usize>

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a, T> TryFromCtx<'a, Endian, T> for i128 where     i128: FromCtx<Endian, T>,     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for f32 where     f32: FromCtx<Endian>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for f64 where     f64: FromCtx<Endian>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, StrCtx> for &'a str

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     ctx: StrCtx ) -> Result<(Self, Self::Size), Self::Error>

Read a &str from src using delimiter

impl<'a, T> TryFromCtx<'a, StrCtx, T> for &'a str where     T: AsRef<[u8]>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a T,     ctx: StrCtx ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, Endian> for usize where     usize: FromCtx<Endian>,

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     le: Endian ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a, usize> for &'a [u8]

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     size: usize ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a> for &'a CStr

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     _ctx: () ) -> Result<(Self, Self::Size), Self::Error>

impl<'a> TryFromCtx<'a> for CString

type Error = Error

type Size = usize

fn try_from_ctx(     src: &'a [u8],     _ctx: () ) -> Result<(Self, Self::Size), Self::Error>

Implementors

• impl<'a> TryFromCtx<'a> for Uleb128 type Error = Error; type Size = usize;

• impl<'a> TryFromCtx<'a> for Sleb128 type Error = Error; type Size = usize;