5c3e6f1575
git-svn-id: https://beef.googlecode.com/svn/trunk@1046 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
86 lines
1.7 KiB
Ruby
86 lines
1.7 KiB
Ruby
#
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# Copyright 2011 Wade Alcorn wade@bindshell.net
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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class Object
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#
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# Returns true if the object is a Boolean
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#
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# Example:
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#
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# a = true
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# b = false
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# c = 1234 # Integer
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#
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# a.boolean? # => true
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# b.boolean? # => false
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# c.boolean? # => false
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#
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def boolean?
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self.is_a?(TrueClass) || self.is_a?(FalseClass)
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end
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#
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# Returns true if the object is a String
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#
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# Example:
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#
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# 1.string? # => false
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# 'abc'.string? # => true
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#
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def string?
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self.is_a?(String)
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end
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#
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# Returns true if the object is an Integer
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#
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# Example:
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#
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# 1.integer? # => true
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# 'abc'.integer? # => false
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#
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def integer?
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self.is_a?(Integer)
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end
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#
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# Returns true if the object is a hash
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#
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# Example:
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#
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# {}.hash? # => true
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# 1.hash? # => false
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#
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def hash?
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self.is_a?(Hash)
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end
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#
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# Returns true if the object is a class
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#
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# Example:
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#
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# class A
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# end
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#
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# obj = A.new
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# obj.class? # => true
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#
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def class?
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self.is_a?(Class)
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end
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end |