📁 File Manager Pro
v10.0.3 | PHP: 8.1.34
Server: Apache
2026-06-21 22:14:08
📂
/ (Root)
/
opt
/
alt
/
ruby27
/
share
/
ri
/
system
/
Module
📍 /opt/alt/ruby27/share/ri/system/Module
🔄 Refresh
✏️
Editing: undef_method-i.ri
Read Only
U:RDoc::AnyMethod[iI"undef_method:ETI"Module#undef_method;TF:privateo:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [ I"FPrevents the current class from responding to calls to the named ;TI"Jmethod. Contrast this with <code>remove_method</code>, which deletes ;TI"Bthe method from the particular class; Ruby will still search ;TI"@superclasses and mixed-in modules for a possible receiver. ;TI"/String arguments are converted to symbols.;To:RDoc::Markup::BlankLine o:RDoc::Markup::Verbatim; [I"class Parent ;TI" def hello ;TI" puts "In parent" ;TI" end ;TI" end ;TI"class Child < Parent ;TI" def hello ;TI" puts "In child" ;TI" end ;TI" end ;TI" ;TI"c = Child.new ;TI" c.hello ;TI" ;TI"class Child ;TI"B remove_method :hello # remove from child, still in parent ;TI" end ;TI" c.hello ;TI" ;TI"class Child ;TI"< undef_method :hello # prevent any calls to 'hello' ;TI" end ;TI" c.hello ;T:@format0o; ; [I"<em>produces:</em>;T@o;; [I"In child ;TI"In parent ;TI"Qprog.rb:23: undefined method `hello' for #<Child:0x401b3bb4> (NoMethodError);T; 0: @fileI"vm_method.c;T:0@omit_headings_from_table_of_contents_below0I"Eundef_method(symbol) -> self undef_method(string) -> self ;T0[ I"(*args);T@4FI"Module;TcRDoc::NormalClass00
💾 Save Changes
❌ Cancel