Trait FromCell

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pub trait FromCell: Sized {
    // Required method
    fn from_cell(
        result_set: &ResultSet,
        row_idx: usize,
        column_idx: usize,
    ) -> GraphResult<Self>;
}
Expand description

Implemented by types that can be constructed from a cell in a ResultSet.

Required Methods§

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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 FromCell for bool

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for f32

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for f64

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for i8

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for i16

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for i32

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for i64

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for isize

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for u8

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for u16

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for u32

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for u64

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for ()

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for usize

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl FromCell for String

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

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impl<T: FromCell> FromCell for Option<T>

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fn from_cell( result_set: &ResultSet, row_idx: usize, column_idx: usize, ) -> GraphResult<Self>

Implementors§