Exception: NoMethodError

Inherits:

NameError

• Object
• Exception
• StandardError
• NameError
• NoMethodError

Defined in:

error.c,
error.c

Overview

Raised when a method is called on a receiver which doesn’t have it defined and also fails to respond with method_missing.

"hello".to_ary

raises the exception:

NoMethodError: undefined method `to_ary' for "hello":String

Instance Method Summary

• #args ⇒ Object

  Return the arguments passed in as the third parameter to the constructor.

• #new(msg, name[, args]) ⇒ Object constructor

  Construct a NoMethodError exception for a method of the given name called with the given arguments.

Methods inherited from NameError

#local_variables, #name, #receiver

Methods inherited from Exception

#==, #backtrace, #backtrace_locations, #cause, #exception, exception, #inspect, #message, #set_backtrace, #to_s

Constructor Details

#new(msg, name[, args]) ⇒ Object

Construct a NoMethodError exception for a method of the given name called with the given arguments. The name may be accessed using the #name method on the resulting object, and the arguments using the #args method.

# File 'error.c', line 1190

static VALUE
nometh_err_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE args = (argc > 2) ? argv[--argc] : Qnil;
    name_err_initialize(argc, argv, self);
    rb_ivar_set(self, id_args, args);
    return self;
}

Instance Method Details

#args ⇒ Object

Return the arguments passed in as the third parameter to the constructor.

Returns:

• (Object)

# File 'error.c', line 1376

static VALUE
nometh_err_args(VALUE self)
{
    return rb_attr_get(self, id_args);
}