Macro frame_benchmarking::benchmark_backend

macro_rules! benchmark_backend {
    ($name:ident {
		$( $common:tt )*
	} {
		$( PRE { $( $pre_parsed:tt )* } )*
	} { $eval:expr } {
			let $pre_id:tt : $pre_ty:ty = $pre_ex:expr;
			$( $rest:tt )*
	} ) => { ... };
    ($name:ident {
		$( $common:tt )*
	} {
		$( $parsed:tt )*
	} { $eval:expr } {
		let $param:ident in ( $param_from:expr ) .. $param_to:expr => $param_instancer:expr;
		$( $rest:tt )*
	}) => { ... };
    ($name:ident {
		$( { $common:ident , $common_from:tt , $common_to:expr , $common_instancer:expr } )*
	} {
		$( $parsed:tt )*
	} { $eval:expr } {
		let $param:ident in ...;
		$( $rest:tt )*
	}) => { ... };
    ($name:ident {
		$( { $common:ident , $common_from:tt , $common_to:expr , $common_instancer:expr } )*
	} {
		$( $parsed:tt )*
	} { $eval:expr } {
		let $param:ident in _ .. _ => $param_instancer:expr ;
		$( $rest:tt )*
	}) => { ... };
    ($name:ident {
		$( $common:tt )*
	} {
		$( $parsed:tt )*
	} { $eval:expr } {
		let $param:ident in $param_from:tt .. $param_to:expr => $param_instancer:expr ;
		$( $rest:tt )*
	}) => { ... };
    ($name:ident {
		$( $common:tt )*
	} {
		$( $parsed:tt )*
	} { $eval:expr } {
		let $param:ident in $param_from:tt .. $param_to:expr;
		$( $rest:tt )*
	}) => { ... };
    ($name:ident {
		$( $common:tt )*
	} {
		$( $parsed:tt )*
	} { $eval:expr } {
		let $pre_id:tt = $pre_ex:expr;
		$( $rest:tt )*
	}) => { ... };
    ($name:ident {
		$( { $common:ident , $common_from:tt , $common_to:expr , $common_instancer:expr } )*
	} {
		$( PRE { $pre_id:tt , $pre_ty:ty , $pre_ex:expr } )*
		$( PARAM { $param:ident , $param_from:expr , $param_to:expr , $param_instancer:expr } )*
	} { $eval:expr } { $( $post:tt )* } ) => { ... };
}