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ififIfIfif (算子名称)
名称
ififIfIfif — Conditional statement.
参数签名
描述
ififIfIfIfif is a conditional statement that starts an if block.
The ConditionConditionConditionConditionconditioncondition parameter must evaluate to a Boolean or integer
expression.
If ConditionConditionConditionConditionconditioncondition evaluates to 'true'"true""true""true""true""true" (not 0), the
following block body up to the next corresponding block statement
elseifelseifElseifElseifElseifelseif, elseelseElseElseElseelse, or endifendifEndifEndifEndifendif is executed.
Reaching the end of the block the execution continues after the
corresponding endifendifEndifEndifEndifendif statement.
If ConditionConditionConditionConditionconditioncondition evaluates to 'false'"false""false""false""false""false" (0), the
execution is continued at the next corresponding block statement
elseifelseifElseifElseifElseifelseif, elseelseElseElseElseelse, or endifendifEndifEndifEndifendif.
参数表
ConditionConditionConditionConditionconditioncondition (input_control) integer → HTupleintHTupleHtuple (integer) (int / long) (Hlong) (Hlong)
Condition for the if statement.
Default:
1
结果
If the condition is correct
ififIfIfIfif (as operator) returns 2 (
H_MSG_TRUE)
. Otherwise, an
exception is raised and an error code returned.
可替代算子
elseifelseifElseifElseifElseifelseif,
elseelseElseElseElseelse
参考其它
forforForForForfor,
whilewhileWhileWhileWhilewhile,
untiluntilUntilUntilUntiluntil
模块
Foundation