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Type.IsNullable

Syntax

  
Type.IsNullable(type as type) as logical

About

Returns true if a type is a nullable type; otherwise, false.

Example 1

Determine if number is nullable.

Usage

Type.IsNullable(type number)

Output

false

Example 2

Determine if type nullable number is nullable.

Usage

Type.IsNullable(type nullable number)

Output

true