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-rw-r--r--activemodel/lib/active_model/validations/exclusion.rb10
1 files changed, 4 insertions, 6 deletions
diff --git a/activemodel/lib/active_model/validations/exclusion.rb b/activemodel/lib/active_model/validations/exclusion.rb
index 48bf5cd802..6f4276cc2a 100644
--- a/activemodel/lib/active_model/validations/exclusion.rb
+++ b/activemodel/lib/active_model/validations/exclusion.rb
@@ -29,18 +29,16 @@ module ActiveModel
# Configuration options:
# * <tt>:in</tt> - An enumerable object of items that the value shouldn't
# be part of. This can be supplied as a proc, lambda or symbol which returns an
- # enumerable. If the enumerable is a range the test is performed with
+ # enumerable. If the enumerable is a numerical, time or datetime range the test
+ # is performed with <tt>Range#cover?</tt>, otherwise with <tt>include?</tt>. When
+ # using a proc or lambda the instance under validation is passed as an argument.
# * <tt>:within</tt> - A synonym(or alias) for <tt>:in</tt>
# <tt>Range#cover?</tt>, otherwise with <tt>include?</tt>.
# * <tt>:message</tt> - Specifies a custom error message (default is: "is
# reserved").
- # * <tt>:allow_nil</tt> - If set to true, skips this validation if the
- # attribute is +nil+ (default is +false+).
- # * <tt>:allow_blank</tt> - If set to true, skips this validation if the
- # attribute is blank(default is +false+).
#
# There is also a list of default options supported by every validator:
- # +:if+, +:unless+, +:on+ and +:strict+.
+ # +:if+, +:unless+, +:on+, +:allow_nil+, +:allow_blank+, and +:strict+.
# See <tt>ActiveModel::Validation#validates</tt> for more information
def validates_exclusion_of(*attr_names)
validates_with ExclusionValidator, _merge_attributes(attr_names)