elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in necessary. For simple functions, it is often clearer to mention the role of the arguments directly in the de- scription of the function's purpose. An argument list would only repeat information already provided StackTrace can be used in place of Vector{StackFrame}. (Examples with [...] indicate that output may vary de- pending on how the code is run.) julia> example() = stacktrace() example (generic function with

elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in necessary. For simple functions, it is often clearer to mention the role of the arguments directly in the de- scription of the function's purpose. An argument list would only repeat information already provided StackTrace can be used in place of Vector{StackFrame}. (Examples with [...] indicate that output may vary de- pending on how the code is run.) julia> example() = stacktrace() example (generic function with

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 199CHAPTER 16. INTERFACES 200 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in

you should always define at least one of Base.IteratorSize(IterType) and length(iter) because the de- fault definition of Base.IteratorSize(IterType) is Base.HasLength(). Sequential iteration is implemented while next !== nothing 200CHAPTER 16. INTERFACES 201 Method When should this method be defined? De- fault defi- nition Brief description Base.IteratorSize(IterType) If default is not appropriate elsize(::Type{<:A}) Return the stride between consecutive elements in the array. Optional methods De- fault defini- tion Brief description stride(A, i::Int) strides(A)[i] Return the distance in