📁 File Manager Pro
v10.0.3 | PHP: 8.1.34
Server: Apache
2026-06-22 01:22:36
📂
/ (Root)
/
opt
/
alt
/
ruby30
/
share
/
ri
/
system
/
Module
📍 /opt/alt/ruby30/share/ri/system/Module
🔄 Refresh
✏️
Editing: const_missing-i.ri
Read Only
U:RDoc::AnyMethod[iI"const_missing:ETI"Module#const_missing;TF:privateo:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [ I"BInvoked when a reference is made to an undefined constant in ;FI"G<i>mod</i>. It is passed a symbol for the undefined constant, and ;FI"7returns a value to be used for that constant. The ;FI".following code is an example of the same:;Fo:RDoc::Markup::BlankLine o:RDoc::Markup::Verbatim; [ I"!def Foo.const_missing(name) ;TI"1 name # return the constant name as Symbol ;TI" end ;TI" ;TI"CFoo::UNDEFINED_CONST #=> :UNDEFINED_CONST: symbol returned ;T:@format0o; ; [I"LIn the next example when a reference is made to an undefined constant, ;FI"Kit attempts to load a file whose name is the lowercase version of the ;FI"Econstant (thus class <code>Fred</code> is assumed to be in file ;FI"G<code>fred.rb</code>). If found, it returns the loaded class. It ;FI"Mtherefore implements an autoload feature similar to Kernel#autoload and ;FI"Module#autoload.;F@o;; [I"$def Object.const_missing(name) ;TI" @looked_for ||= {} ;TI" str_name = name.to_s ;TI"A raise "Class not found: #{name}" if @looked_for[str_name] ;TI"! @looked_for[str_name] = 1 ;TI" file = str_name.downcase ;TI" require file ;TI" klass = const_get(name) ;TI" return klass if klass ;TI"( raise "Class not found: #{name}" ;TI"end;T; 0: @fileI" object.c;T:0@omit_headings_from_table_of_contents_below0I"&mod.const_missing(sym) -> obj ;F0[ I" (p1);T@.FI"Module;TcRDoc::NormalClass00
💾 Save Changes
❌ Cancel