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Thursday, October 08, 2009

Visual Basic 2010 - Array Literals

by Mike McIntyre via Mike McIntyre on 10/8/2009 8:30:00 PM

Visual Basic 2010 array litererals provide a shortcut mechanism for declaring and filling arrays for types that can be inferred by the compiler. Here a three examples: ' Examples Dim a = {1, 2, 3} 'infers Integer() Dim b = {1, 2, 3.5} 'infers Double() Dim c = {"1", "2", "3"} 'infers String() Becareful not to mix in types the compiler can not infer: ' WARNING: Make sure you used types that can be inferred. ' The next example will generation a warning if OPTION STRICT ON ' or infer a type of Object if OPTION STRICT OFF Dim d = {1, "123"} 'infers Object() (warning with Option Strict On) Create multidimensional arrays with array literals: ' Create multidimensional arrays by nesting array array literals: 'Nested array literals can be used to produce multidimensional arrays: Dim f = {{1, 2, 3}, {4, 5, 6}} 'infers Integer(,) Dim g = {({1, 2, 3}), ({4, 5, 6})} 'infers Integer()() (jagged array) ...(read more)

Original Post: http://cs.vbcity.com/blogs/mike-mcintyre/archive/2009/10/08/visual-basic-2010-array-literals.aspx

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