Struct wasmi::RuntimeArgs

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pub struct RuntimeArgs<'a>(_);

[−] Expand description

Wrapper around slice of RuntimeValue for using it as an argument list conveniently.

Implementations

impl<'a> RuntimeArgs<'a>[−]

pub fn nth_checked<T>(&self, idx: usize) -> Result<T, Trap> where
    T: FromRuntimeValue, [−]

Extract argument by index idx.

Errors

Returns Err if cast is invalid or not enough arguments.

pub fn nth_value_checked(&self, idx: usize) -> Result<RuntimeValue, Trap>[−]

Extract argument as a RuntimeValue by index idx.

Errors

Returns Err if this list has not enough arguments.

pub fn nth<T>(&self, idx: usize) -> T where
    T: FromRuntimeValue, [−]

Extract argument by index idx.

Panics

Panics if cast is invalid or not enough arguments.

pub fn len(&self) -> usize[−]

Total number of arguments

Trait Implementations

impl<'a> AsRef<[RuntimeValue]> for RuntimeArgs<'a>[+]

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fn as_ref(&self) -> &[RuntimeValue][−]

Performs the conversion.

impl<'a> Debug for RuntimeArgs<'a>[+]

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fn fmt(&self, f: &mut Formatter<'_>) -> Result[−]

Formats the value using the given formatter.

impl<'a> From<&'a [RuntimeValue]> for RuntimeArgs<'a>[+]

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fn from(inner: &'a [RuntimeValue]) -> Self[−]

Performs the conversion.