Exception#to_s

() -> ::String

to_s → string

static VALUE
exc_to_s(VALUE exc)
{
    VALUE mesg = rb_attr_get(exc, idMesg);

    if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc));
    return rb_String(mesg);
}

Returns a string representation of self:

Example

x = RuntimeError.new('Boom')
x.to_s # => "Boom"
x = RuntimeError.new
x.to_s # => "RuntimeError"

See also #to_json #set_backtrace also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0

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