[][src]Derive Macro timescale_macros::InterpolatedData

#[derive(InterpolatedData)]
{
    // Attributes available to this derive:
    #[data]
}

Load the layout of a structure to be consumed by InterpolatedDataTable

This structure is useless on its own and produces no useable output. This macro exists to provide compile-time information about the struct it marks to the InterpolatedDataTable macro

Arguments

This macro allows for 1 argument to be provided on either the structure itself or on the fields of the structure.

The Nitty Gritty

This macro exists because macros are not able to transverse outside of their given token tree (easily). This macro will fill up a HashMap in memory with the layouts of any structs marked with this macro which will be searched through when the InterpolatedDataTable macro generates its table at compile time. Yes, this derive macro could be an attribute macro, but keeping it as a derive macro allows for consistency with the other macros and stops the macro from consuming the structure provided.