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tostring

The tostring function converts the input to a value of type string.

Syntax
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tostring( Expression )

Arguments
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  • Expression: Expression to convert to a string.

Returns
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If the Expression value is non-null, returns a string representation of Expression.

If the Expression value is null, returns null as well.

Example
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  • tostring(123) returns "123"
  • tostring("hello") returns "hello"
  • tostring(null) returns null