Can’t we just synthesize std::tuple_element from get? Jonathan Müller — @foonathanAdding structured bindings support to a custom tuple-like type template struct my_tuple { … }; Jonathan Jonathan Müller — @foonathan Can’t we just synthesize std::tuple_element from get? CppCon 2024-09-18 1Adding structured bindings support to a custom tuple-like type template struct my_tuple get(Tuple&& t) -> decltype(auto) { … } Jonathan Müller — @foonathan Can’t we just synthesize std::tuple_element from get? CppCon 2024-09-18 1Adding structured bindings support to a custom tuple-like type template

predefined types: GrB_PLUS_BOOL, GrB_PLUS_INT8, GrB_PLUS_UINT8, GrB_PLUS_INT16, GrB_PLUS_UINT16, GrB_PLUS_INT32, GrB_PLUS_UINT32, GrB_PLUS_INT64, GrB_PLUS_UINT64, GrB_PLUS_FP32, GrB_PLUS_FP64. - There are predefined types: GrB_PLUS_BOOL, GrB_PLUS_INT8, GrB_PLUS_UINT8, GrB_PLUS_INT16, GrB_PLUS_UINT16, GrB_PLUS_INT32, GrB_PLUS_UINT32, GrB_PLUS_INT64, GrB_PLUS_UINT64, GrB_PLUS_FP32, GrB_PLUS_FP64. - There are predefined types: GrB_PLUS_BOOL, GrB_PLUS_INT8, GrB_PLUS_UINT8, GrB_PLUS_INT16, GrB_PLUS_UINT16, GrB_PLUS_INT32, GrB_PLUS_UINT32, GrB_PLUS_INT64, GrB_PLUS_UINT64, GrB_PLUS_FP32, GrB_PLUS_FP64. - There are

| views::transform([](auto element) { auto [a, b] = element; return a * b; }); return reduce(par_unseq, z, 0, std::plus()); }Outline - Background (Ranges views::transform([](auto element) { auto [a, b] = element; return a * b; }); return reduce(par_unseq, z.begin(), z.end(), T(0), std::plus()); }Dot Product views::transform([](auto element) { auto [a, b] = element; return a * b; }); return reduce(par_unseq, z.begin(), z.end(), T(0), std::plus()); }Standard C++

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction

changed: julia> a = [1,2,3] # an array of 3 integers 3-element Vector{Int64}: 1 2 3 julia> b = a # both b and a are names for the same array! 3-element Vector{Int64}: 1 2 3 Here, the line b = a does change the first element 42 julia> a = 3.14159 # a is now the name of a different object 3.14159 julia> b # b refers to the original array object, which has been mutated 3-element Vector{Int64}: 42 numeric types: Expression Name Description +x unary plus the identity operation -x unary minus maps values to their additive inverses x + y binary plus performs addition x - y binary minus performs subtraction