class FrozenError
Raised when there is an attempt to modify a frozen object.
[1, 2, 3].freeze << 4
raises the exception:
FrozenError: can't modify frozen Array
Public Class Methods
new(msg=nil, receiver: nil) → frozen_error
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Construct a new FrozenError
exception. If given the receiver parameter may subsequently be examined using the FrozenError#receiver
method.
a = [].freeze raise FrozenError.new("can't modify frozen array", receiver: a)
static VALUE frozen_err_initialize(int argc, VALUE *argv, VALUE self) { ID keywords[1]; VALUE values[numberof(keywords)], options; argc = rb_scan_args(argc, argv, "*:", NULL, &options); keywords[0] = id_receiver; rb_get_kwargs(options, keywords, 0, numberof(values), values); rb_call_super(argc, argv); err_init_recv(self, values[0]); return self; }
Public Instance Methods
receiver → object
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Return the receiver associated with this FrozenError
exception.
#define frozen_err_receiver name_err_receiver