[−][src]Derive Macro rustler::NifTuple
#[derive(NifTuple)] { // Attributes available to this derive: #[rustler] }
Implementation of a macro that lets the user annotate a struct with NifTuple
so that the
struct can be encoded or decoded from an Elixir tuple. For example, the following struct
annotated as such:
ⓘThis example is not tested
#[derive(NifTuple)] struct AddTuple { lhs: i32, rhs: i32, }
Given the values 33 and 21 for this struct, this would result, when encoded, in an elixir tuple with two elements like:
{33, 21}
The size of the tuple will depend on the number of elements in the struct.