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syntax:operators

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syntax:operators [2021/01/13 18:36] – dmitrysyntax:operators [2021/01/13 18:43] (current) – dmitry
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 === The ASSUME operator === === The ASSUME operator ===
-The operator allows creating guarding conditions that must evaluate to TRUE before the expression is evaluated. ASSUME can be used to ensure data quality and integrity right in expressions. Examples:+The operator allows creating guarding conditions that must evaluate to TRUE before the expression is evaluated. ASSUME can be used to ensure data quality and integrity right in expressions. The operator has the following syntax: 
 + 
 +ASSUME //expression// 
 + 
 +ASSUME //expression// OTHERWISE FAIL //expression// 
 + 
 +Examples:
  
    ASSUME [Tax]>=0     ASSUME [Tax]>=0 
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    ASSUME [Tax]>=0 FAIL "Tax must not be negative"    ASSUME [Tax]>=0 FAIL "Tax must not be negative"
  
-All the operators can be used together. For instance:+ASSUME can be used together with the other operators. For instance:
  
    ASSUME isnumber({Tax Rate}) OTHERWISE FAIL ("Invalid tax rate: " & {Tax Rate})    ASSUME isnumber({Tax Rate}) OTHERWISE FAIL ("Invalid tax rate: " & {Tax Rate})
syntax/operators.txt · Last modified: 2021/01/13 18:43 by dmitry
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