Null object: Difference between revisions
→{{header|Lasso}}: adding null type comparison tests
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additional properties : _n@i and _n?i are i; _n`v is _n
</lang>
=={{header|Lasso}}==
<lang Lasso>local(x = string, y = null)
#x->isA(::null)
// 0 (false)
#y->isA(::null)
// 1 (true)
#x == null
// false
#y == null
//true
#x->type == 'null'
// false
#y->type == 'null'
//true</lang>
=={{header|Logo}}==
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