# 这一节讲解type的使用
function printsum(a)
println(summary(a), ": ", repr(a))
end
type Person
name::AbstractString
male::Bool
age::Float64
children::Int64
end
person1 = Person("luk", false, 26, 0)
printsum(person1)
#> Person: Person("luk", false, 26.0, 0)
people = Person[]
printsum(people)
push!(people, Person("Steve", true, 22, 1))
push!(people, Person("Bob", false, 33, 2))
printsum(people)
#> 2-element Array{Person,1}: Person[Person("Steve", true, 22.0, 1), Person("Bob", false, 33.0, 2)]
# types也可以包含arrays与dicts
type Family
name::AbstractString
members::Array{AbstractString,1}
extended::Bool
# for the other two values
Family(name::AbstractString) = new(name, AbstractString[], false)
Family(name::AbstractString, members) = new(name, members, length(members) > 7)
end
fam1 = Family("luk")
println(fam1)
#> Family("luk", AbstractString[], false)
fam2 = Family("luk", ["luk", "lkl"])
println(fam2)
#> Family("luk", AbstractString["luk", "lkl"], false)
Julia:type的用法
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转载自blog.csdn.net/chd_lkl/article/details/82844175
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