|  | #![crate_name = "foo"] | 
|  |  | 
|  | //@ has foo/fn.tuple0.html //pre 'pub fn tuple0(x: ())' | 
|  | //@ snapshot link_unit - '//pre[@class="rust item-decl"]/code' | 
|  | pub fn tuple0(x: ()) -> () { x } | 
|  | //@ has foo/fn.tuple1.html //pre 'pub fn tuple1(x: (i32,)) -> (i32,)' | 
|  | //@ snapshot link1_i32 - '//pre[@class="rust item-decl"]/code' | 
|  | pub fn tuple1(x: (i32,)) -> (i32,) { x } | 
|  | //@ has foo/fn.tuple2.html //pre 'pub fn tuple2(x: (i32, i32)) -> (i32, i32)' | 
|  | //@ snapshot link2_i32 - '//pre[@class="rust item-decl"]/code' | 
|  | pub fn tuple2(x: (i32, i32)) -> (i32, i32) { x } | 
|  | //@ has foo/fn.tuple1_t.html //pre 'pub fn tuple1_t<T>(x: (T,)) -> (T,)' | 
|  | //@ snapshot link1_t - '//pre[@class="rust item-decl"]/code' | 
|  | pub fn tuple1_t<T>(x: (T,)) -> (T,) { x } | 
|  | //@ has foo/fn.tuple2_t.html //pre 'pub fn tuple2_t<T>(x: (T, T)) -> (T, T)' | 
|  | //@ snapshot link2_t - '//pre[@class="rust item-decl"]/code' | 
|  | pub fn tuple2_t<T>(x: (T, T)) -> (T, T) { x } | 
|  | //@ has foo/fn.tuple2_tu.html //pre 'pub fn tuple2_tu<T, U>(x: (T, U)) -> (T, U)' | 
|  | //@ snapshot link2_tu - '//pre[@class="rust item-decl"]/code' | 
|  | pub fn tuple2_tu<T, U>(x: (T, U)) -> (T, U) { x } |