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  • error.c

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StandardError

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NameError

Raised when a given name is invalid or undefined.

puts foo

raises the exception:

NameError: undefined local variable or method `foo' for main:Object

Since constant names must start with a capital:

Fixnum.const_set :answer, 42

raises the exception:

NameError: wrong constant name answer

Public Class Methods

new(msg [, name]) → name_error click to toggle source

Construct a new NameError exception. If given the name parameter may subsequently be examined using the NameError.name method.

 
               static VALUE
name_err_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE name;

    name = (argc > 1) ? argv[--argc] : Qnil;
    rb_call_super(argc, argv);
    rb_iv_set(self, "name", name);
    return self;
}

Public Instance Methods

name → string or nil click to toggle source

Return the name associated with this NameError exception.

 
               static VALUE
name_err_name(VALUE self)
{
    return rb_attr_get(self, rb_intern("name"));
}