[Map] has: [Object] | Manual

[Map] has: [Object]

Checks whether the map contains the specified value. Note that the object gets converted to a string before comparison. In case of a map or array this means the comparison will be based on the serialized structure.

 ☞ shop := (Map new
	put: 'magazine' at: 'books',
	put: 'computer' at: 'electronics',
	put: 'lipstick' at: 'cosmetics'
 ✎ write: (shop has: 'computer'), brk. #True
 ✎ write: (shop has: 'sausage'), brk. #False
 ✎ write: (shop has: 'computers'), brk. #False
 ✎ write: (shop has: 'compute'), brk. #False
 ✎ write: (shop has: '2computer'), brk. #False

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Citrine is an easy to use programming language for everyone. Citrine is so simple it does not even need special syntax for loops or conditions. You can learn Citrine in just a couple of minutes. Citrine makes programming fun again! Visit the homepage for a quick tutorial.

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