apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...) is the same as f(g(args...)). You can type the composition operator maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, sum |> inv 0.1 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...) is the same as f(g(args...)). You can type the composition operator maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, sum |> inv 0.1 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function.CHAPTER 42. ESSENTIALS 621 f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function.CHAPTER 42. ESSENTIALS 621 f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function.CHAPTER 42. ESSENTIALS 621 f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, ESSENTIALS 649 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, sum |> inv 0.1 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, sum |> inv 0.1 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, sum |> inv 0.1 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be

apply the resulting composition to ar- guments. You use the function composition operator (∘) to compose the functions, so (f ∘ g)(args...; kw...) is the same as f(g(args...; kw...)). You can type the maps the result over an array of strings: julia> map(first ∘ reverse ∘ uppercase, split("you can compose functions like this")) 6-element Vector{Char}: 'U': ASCII/Unicode U+0055 (category Lu: Letter, sum |> inv 0.1 julia> [0 1; 2 3] .|> (x -> x^2) |> sum 14 source Base.:∘ – Function. f ∘ g Compose functions: i.e. (f ∘ g)(args...; kwargs...) means f(g(args...; kwargs...)). The ∘ symbol can be