concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x * at parse time. For example, @static Sys.iswindows() ? foo : bar will evaluate Sys.iswindows() and insert either foo or bar into the expression. This is useful in cases where a construct would be invalid CHAPTER 42. 集合和数据结构 42.8 双端队列 Base.push! – Function. push!(collection, items...) -> collection Insert one or more items at the end of collection. Examples julia> push!([1, 2, 3], 4, 5, 6) 6-element

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *

to return the value of x in case of an error: try bad() catch x end Instead, use a semicolon or insert a line break after catch: try bad() catch; x end try bad() catch x end The power of the try/catch idea for complex functions with many arguments (in particular keyword arguments). In that case, insert it after the general description of the function, under an # Arguments header, with one - bullet concatenates them. """ function *(x::AbstractString, y::AbstractString, z::AbstractString...) # ... [insert secret sauce here] ... end help?> * search: * .* *(x, y, z...) Multiplication operator. x *