385 lines
9.3 KiB
Plaintext
385 lines
9.3 KiB
Plaintext
================================================================================
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The unit type
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================================================================================
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type A = ();
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(unit_type)))
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================================================================================
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Tuple types
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================================================================================
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type A = (i32, String);
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(tuple_type
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(primitive_type)
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(type_identifier))))
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================================================================================
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Reference types
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================================================================================
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type A = &B;
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type C = &'a str;
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type D = &'a mut str;
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(reference_type
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(type_identifier)))
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(type_item
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(type_identifier)
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(reference_type
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(lifetime
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(identifier))
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(primitive_type)))
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(type_item
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(type_identifier)
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(reference_type
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(lifetime
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(identifier))
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(mutable_specifier)
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(primitive_type))))
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================================================================================
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Raw pointer types
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================================================================================
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type A = *mut B;
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type C = *const str;
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(pointer_type
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(mutable_specifier)
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(type_identifier)))
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(type_item
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(type_identifier)
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(pointer_type
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(primitive_type))))
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================================================================================
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Generic types
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================================================================================
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type A = B<C>;
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type D = E<F, str>;
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type G = H<'a, I>;
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type J = H<K=L>;
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(type_identifier))))
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(type_identifier)
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(primitive_type))))
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(lifetime
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(identifier))
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(type_identifier))))
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(type_binding
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(type_identifier)
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(type_identifier))))))
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================================================================================
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Scoped types
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================================================================================
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type A = B::C;
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type D = E::F::G;
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type H = I::J<K>;
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type L = M<N>::O;
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(scoped_type_identifier
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(identifier)
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(type_identifier)))
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(type_item
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(type_identifier)
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(scoped_type_identifier
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(scoped_identifier
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(identifier)
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(identifier))
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(type_identifier)))
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(type_item
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(type_identifier)
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(generic_type
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(scoped_type_identifier
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(identifier)
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(type_identifier))
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(type_arguments
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(type_identifier))))
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(type_item
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(type_identifier)
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(scoped_type_identifier
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(generic_type
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(type_identifier)
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(type_arguments
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(type_identifier)))
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(type_identifier))))
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================================================================================
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Array types
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================================================================================
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type A = [B; 4];
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type C = &[D];
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(array_type
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(type_identifier)
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(integer_literal)))
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(type_item
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(type_identifier)
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(reference_type
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(array_type
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(type_identifier)))))
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================================================================================
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Function types
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================================================================================
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fn high_order1(value: i32, f: fn(i32)) -> i32 {}
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fn high_order2(value: i32, f: fn(i32) -> i32) -> i32 {
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f(value)
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}
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fn high_order3(value: i32, f: &FnOnce(i32) -> i32) -> i32 {
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f(value)
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}
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type F = for<'a, 'b> fn(x: &'a A, y: &'a mut B<'i, 't>,) -> C;
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--------------------------------------------------------------------------------
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(source_file
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(function_item
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(identifier)
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(parameters
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(parameter
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(identifier)
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(primitive_type))
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(parameter
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(identifier)
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(function_type
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(parameters
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(primitive_type)))))
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(primitive_type)
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(block))
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(function_item
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(identifier)
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(parameters
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(parameter
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(identifier)
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(primitive_type))
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(parameter
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(identifier)
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(function_type
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(parameters
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(primitive_type))
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(primitive_type))))
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(primitive_type)
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(block
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(call_expression
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(identifier)
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(arguments
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(identifier)))))
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(function_item
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(identifier)
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(parameters
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(parameter
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(identifier)
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(primitive_type))
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(parameter
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(identifier)
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(reference_type
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(function_type
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(type_identifier)
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(parameters
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(primitive_type))
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(primitive_type)))))
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(primitive_type)
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(block
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(call_expression
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(identifier)
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(arguments
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(identifier)))))
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(type_item
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(type_identifier)
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(function_type
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(for_lifetimes
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(lifetime
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(identifier))
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(lifetime
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(identifier)))
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(parameters
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(parameter
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(identifier)
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(reference_type
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(lifetime
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(identifier))
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(type_identifier)))
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(parameter
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(identifier)
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(reference_type
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(lifetime
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(identifier))
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(mutable_specifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(lifetime
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(identifier))
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(lifetime
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(identifier)))))))
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(type_identifier))))
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================================================================================
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Unsafe and extern function types
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================================================================================
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type a = extern "C" fn(*mut c_void);
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type b = unsafe extern "C" fn() -> *mut c_void;
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(function_type
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(function_modifiers
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(extern_modifier
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(string_literal)))
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(parameters
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(pointer_type
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(mutable_specifier)
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(type_identifier)))))
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(type_item
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(type_identifier)
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(function_type
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(function_modifiers
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(extern_modifier
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(string_literal)))
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(parameters)
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(pointer_type
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(mutable_specifier)
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(type_identifier)))))
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================================================================================
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Trait objects
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================================================================================
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type a = Box<Something + 'a>;
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type b = Rc<dyn Something>;
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type c = A<&dyn Fn(&B) -> C>;
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--------------------------------------------------------------------------------
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(source_file
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(bounded_type
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(type_identifier)
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(lifetime
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(identifier))))))
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(dynamic_type
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(type_identifier)))))
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(type_item
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(type_identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(reference_type
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(dynamic_type
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(function_type
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(type_identifier)
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(parameters
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(reference_type
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(type_identifier)))
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(type_identifier))))))))
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================================================================================
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Type cast expressions with generics
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================================================================================
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a as B<C>;
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d as *mut E<<F as E>::G>;
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--------------------------------------------------------------------------------
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(source_file
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(expression_statement
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(type_cast_expression
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(identifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(type_identifier)))))
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(expression_statement
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(type_cast_expression
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(identifier)
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(pointer_type
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(mutable_specifier)
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(generic_type
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(type_identifier)
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(type_arguments
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(scoped_type_identifier
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(bracketed_type
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(qualified_type
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(type_identifier)
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(type_identifier)))
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(type_identifier))))))))
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