Trait FromParams 

pub trait FromParams<V>: Sized
where
    V: JSValueImpl,
{
    // Required methods
    fn from_params(
        accessor: &mut ParamsAccessor<'_, V>,
    ) -> Result<Self, RongJSError>;
    fn param_requirements() -> ParamRequirement;
}

Represents parameter requirements for a function

• required_count: number of mandatory parameters
• exhaustive: if true, no extra parameters are allowed beyond the required ones

Required Methods

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<Self, RongJSError>

fn param_requirements() -> ParamRequirement

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<V> FromParams<V> for ()

where V: JSValueImpl,

fn from_params(accessor: &mut ParamsAccessor<'_, V>) -> Result<(), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A> FromParams<V> for (A,)

where V: JSValueImpl, A: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A,), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B> FromParams<V> for (A, B)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B, C> FromParams<V> for (A, B, C)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>, C: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B, C), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B, C, D> FromParams<V> for (A, B, C, D)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>, C: GetParam<V>, D: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B, C, D), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B, C, D, E> FromParams<V> for (A, B, C, D, E)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>, C: GetParam<V>, D: GetParam<V>, E: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B, C, D, E), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B, C, D, E, F> FromParams<V> for (A, B, C, D, E, F)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>, C: GetParam<V>, D: GetParam<V>, E: GetParam<V>, F: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B, C, D, E, F), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B, C, D, E, F, G> FromParams<V> for (A, B, C, D, E, F, G)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>, C: GetParam<V>, D: GetParam<V>, E: GetParam<V>, F: GetParam<V>, G: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B, C, D, E, F, G), RongJSError>

fn param_requirements() -> ParamRequirement

impl<V, A, B, C, D, E, F, G, H> FromParams<V> for (A, B, C, D, E, F, G, H)

where V: JSValueImpl, A: GetParam<V>, B: GetParam<V>, C: GetParam<V>, D: GetParam<V>, E: GetParam<V>, F: GetParam<V>, G: GetParam<V>, H: GetParam<V>,

fn from_params( accessor: &mut ParamsAccessor<'_, V>, ) -> Result<(A, B, C, D, E, F, G, H), RongJSError>

fn param_requirements() -> ParamRequirement

Implementors