vyder_core

Trait ExpectArity

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pub trait ExpectArity {
    // Required methods
    fn expect_exact<const N: usize>(
        &self,
        span: &Span,
    ) -> Result<&[ValueResult; N], Error>;
    fn expect_min<const N: usize>(
        &self,
        span: &Span,
    ) -> Result<([ValueResult; N], Vec<ValueResult>), Error>;
}

Required Methods§

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fn expect_exact<const N: usize>( &self, span: &Span, ) -> Result<&[ValueResult; N], Error>

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fn expect_min<const N: usize>( &self, span: &Span, ) -> Result<([ValueResult; N], Vec<ValueResult>), Error>

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§

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impl ExpectArity for Vec<ValueResult>

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fn expect_exact<const N: usize>( &self, span: &Span, ) -> Result<&[ValueResult; N], Error>

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fn expect_min<const N: usize>( &self, span: &Span, ) -> Result<([ValueResult; N], Vec<ValueResult>), Error>

Implementors§