Macro grdf_triples

macro_rules! grdf_triples {
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] $i:ident $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] < $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] > $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] _ $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] : $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] ^ $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] $l:literal $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] . $($rest:tt)*
	} => { ... };
    {
		@tokenize [$($acc:tt)*] []
	} => { ... };
    {
		@tokenize [$($acc:tt)*] [$($current:tt)*] $t:tt $($rest:tt)*
	} => { ... };
    {
		@triples_from [$($acc:tt)*] ($($triple:tt)*) $($rest:tt)*
	} => { ... };
    {
		@triples_from [$($acc:tt)*]
	} => { ... };
    {
		$($t:tt)*
	} => { ... };
}

Creates an array of triples.