if (Operator)

Name

if — Conditional statement.

Synopsis

if( : : Condition : )

Description

if is a conditional statement that starts an if block. The Condition parameter must evaluate to a boolean or integer expression.

If Condition evaluates to true (not 0), the following block body up to the next corresponding block statement elseif, else, or endif is executed. Reaching the end of the block the execution continues after the corresponding endif statement.

If Condition evaluates to false (0), the execution is continued at the next corresponding block statement elseif, else, or endif.

Parameters

Condition (input_control)	integer → (integer)
Condition for the if statement.
Default value: 1

Result

If the condition is correct if (as operator) returns 2 (H_MSG_TRUE). Otherwise an exception is raised and an error code returned.

Alternatives

elseif, else

See also

for, while, until

Module

Foundation