Current File : //opt/cpanel/ea-ruby24/root/usr/share/ri/system/Struct/new-c.ri
U:RDoc::AnyMethod[iI"new:ETI"Struct::new;TT: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"OThe first two forms are used to create a new Struct subclass +class_name+ ;TI"Lthat can contain a value for each +member_name+. This subclass can be ;TI"Dused to create instances of the structure like any other Class.;To: RDoc::Markup::BlankLine o;
; [
I"IIf the +class_name+ is omitted an anonymous structure class will be ;TI"Ocreated. Otherwise, the name of this struct will appear as a constant in ;TI"Jclass Struct, so it must be unique for all Structs in the system and ;TI"Imust start with a capital letter. Assigning a structure class to a ;TI"<constant also gives the class the name of the constant.;T@o:RDoc::Markup::Verbatim; [I"3# Create a structure with a name under Struct
;TI"-Struct.new("Customer", :name, :address)
;TI"#=> Struct::Customer
;TI".Struct::Customer.new("Dave", "123 Main")
;TI"D#=> #<struct Struct::Customer name="Dave", address="123 Main">
;TI"
;TI"0# Create a structure named by its constant
;TI",Customer = Struct.new(:name, :address)
;TI"#=> Customer
;TI"&Customer.new("Dave", "123 Main")
;TI"<#=> #<struct Customer name="Dave", address="123 Main">
;T: @format0o;
; [I"@If a block is given it will be evaluated in the context of ;TI"=+StructClass+, passing the created class as a parameter:;T@o; ; [ I"/Customer = Struct.new(:name, :address) do
;TI" def greeting
;TI" "Hello #{name}!"
;TI" end
;TI" end
;TI"BCustomer.new("Dave", "123 Main").greeting #=> "Hello Dave!"
;T;
0o;
; [I"HThis is the recommended way to customize a struct. Subclassing an ;TI"Oanonymous struct creates an extra anonymous class that will never be used.;T@o;
; [
I"PThe last two forms create a new instance of a struct subclass. The number ;TI"Gof +value+ parameters must be less than or equal to the number of ;TI"Oattributes defined for the structure. Unset parameters default to +nil+. ;TI"BPassing more parameters than number of attributes will raise ;TI"an ArgumentError.;T@o; ; [
I",Customer = Struct.new(:name, :address)
;TI"&Customer.new("Dave", "123 Main")
;TI"<#=> #<struct Customer name="Dave", address="123 Main">
;TI"Customer["Dave"]
;TI"4#=> #<struct Customer name="Dave", address=nil>;T;
0:
@fileI"
struct.c;T:0@omit_headings_from_table_of_contents_below0I"6Struct.new([class_name] [, member_name]+) -> StructClass
Struct.new([class_name] [, member_name]+) {|StructClass| block } -> StructClass
StructClass.new(value, ...) -> object
StructClass[value, ...] -> object
;T0[ I" (*args);T@CFI" Struct;TcRDoc::NormalClass00
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